Home / 208,049,640.20-287,301,496.02-155,747,875.40

Finding the Fourth Proportional to 208,049,640.20, 287,301,496.02 and 155,747,875.40

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Solution

The fourth proportional to 208,049,640.20, 287,301,496.02 and 155,747,875.40 is: 215,076,544.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,049,640.20 : 287,301,496.02 = 155,747,875.40 : x
  2. Step 2: Convert to fraction form
    208,049,640.20/287,301,496.02 = 155,747,875.40/x
  3. Step 3: Cross multiply
    208,049,640.20x = 287,301,496.02 × 155,747,875.40
  4. Step 4: Simplify right side
    208,049,640.20x = 44,746,597,604,356,552
  5. Step 5: Solve for x
    x = 44,746,597,604,356,552/208,049,640.20
  6. Step 6: Final answer
    x = 215,076,544.05

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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.