Home / 287,735,259.38-396,984,006.60-176,109,731.06

Finding the Fourth Proportional to 287,735,259.38, 396,984,006.60 and 176,109,731.06

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Solution

The fourth proportional to 287,735,259.38, 396,984,006.60 and 176,109,731.06 is: 242,975,945.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,735,259.38 : 396,984,006.60 = 176,109,731.06 : x
  2. Step 2: Convert to fraction form
    287,735,259.38/396,984,006.60 = 176,109,731.06/x
  3. Step 3: Cross multiply
    287,735,259.38x = 396,984,006.60 × 176,109,731.06
  4. Step 4: Simplify right side
    287,735,259.38x = 69,912,746,637,447,272
  5. Step 5: Solve for x
    x = 69,912,746,637,447,272/287,735,259.38
  6. Step 6: Final answer
    x = 242,975,945.28

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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.