Home / 154,426,720.28-231,639,894.52-39,411,274.91

Finding the Fourth Proportional to 154,426,720.28, 231,639,894.52 and 39,411,274.91

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Solution

The fourth proportional to 154,426,720.28, 231,639,894.52 and 39,411,274.91 is: 59,116,864.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,426,720.28 : 231,639,894.52 = 39,411,274.91 : x
  2. Step 2: Convert to fraction form
    154,426,720.28/231,639,894.52 = 39,411,274.91/x
  3. Step 3: Cross multiply
    154,426,720.28x = 231,639,894.52 × 39,411,274.91
  4. Step 4: Simplify right side
    154,426,720.28x = 9,129,223,561,794,396
  5. Step 5: Solve for x
    x = 9,129,223,561,794,396/154,426,720.28
  6. Step 6: Final answer
    x = 59,116,864.92

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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.