Home / 68,159,645,695.20-102,239,468,542.80-56,550,139,903.20

Finding the Fourth Proportional to 68,159,645,695.20, 102,239,468,542.80 and 56,550,139,903.20

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Solution

The fourth proportional to 68,159,645,695.20, 102,239,468,542.80 and 56,550,139,903.20 is: 84,825,209,854.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,159,645,695.20 : 102,239,468,542.80 = 56,550,139,903.20 : x
  2. Step 2: Convert to fraction form
    68,159,645,695.20/102,239,468,542.80 = 56,550,139,903.20/x
  3. Step 3: Cross multiply
    68,159,645,695.20x = 102,239,468,542.80 × 56,550,139,903.20
  4. Step 4: Simplify right side
    68,159,645,695.20x = 5,781,656,249,724,155,461,632
  5. Step 5: Solve for x
    x = 5,781,656,249,724,155,461,632/68,159,645,695.20
  6. Step 6: Final answer
    x = 84,825,209,854.80

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.