Home / 145,002,820.64-200,108,222.99-89,280,387.52

Finding the Fourth Proportional to 145,002,820.64, 200,108,222.99 and 89,280,387.52

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Solution

The fourth proportional to 145,002,820.64, 200,108,222.99 and 89,280,387.52 is: 123,209,601.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,002,820.64 : 200,108,222.99 = 89,280,387.52 : x
  2. Step 2: Convert to fraction form
    145,002,820.64/200,108,222.99 = 89,280,387.52/x
  3. Step 3: Cross multiply
    145,002,820.64x = 200,108,222.99 × 89,280,387.52
  4. Step 4: Simplify right side
    145,002,820.64x = 17,865,739,693,485,232
  5. Step 5: Solve for x
    x = 17,865,739,693,485,232/145,002,820.64
  6. Step 6: Final answer
    x = 123,209,601.13

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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.