Home / 68,677,632,078.30-103,016,448,117.45-57,657,671,502.30

Finding the Fourth Proportional to 68,677,632,078.30, 103,016,448,117.45 and 57,657,671,502.30

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Solution

The fourth proportional to 68,677,632,078.30, 103,016,448,117.45 and 57,657,671,502.30 is: 86,486,507,253.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,677,632,078.30 : 103,016,448,117.45 = 57,657,671,502.30 : x
  2. Step 2: Convert to fraction form
    68,677,632,078.30/103,016,448,117.45 = 57,657,671,502.30/x
  3. Step 3: Cross multiply
    68,677,632,078.30x = 103,016,448,117.45 × 57,657,671,502.30
  4. Step 4: Simplify right side
    68,677,632,078.30x = 5,939,688,524,889,663,209,472
  5. Step 5: Solve for x
    x = 5,939,688,524,889,663,209,472/68,677,632,078.30
  6. Step 6: Final answer
    x = 86,486,507,253.45

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Double scale
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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.