Home / 118,329,677.76-163,301,263.20-66,119,980.80

Finding the Fourth Proportional to 118,329,677.76, 163,301,263.20 and 66,119,980.80

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Solution

The fourth proportional to 118,329,677.76, 163,301,263.20 and 66,119,980.80 is: 91,249,098.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,329,677.76 : 163,301,263.20 = 66,119,980.80 : x
  2. Step 2: Convert to fraction form
    118,329,677.76/163,301,263.20 = 66,119,980.80/x
  3. Step 3: Cross multiply
    118,329,677.76x = 163,301,263.20 × 66,119,980.80
  4. Step 4: Simplify right side
    118,329,677.76x = 10,797,476,387,399,746
  5. Step 5: Solve for x
    x = 10,797,476,387,399,746/118,329,677.76
  6. Step 6: Final answer
    x = 91,249,098.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.