Home / 154,426,720.47-231,639,894.80-39,411,275.10

Finding the Fourth Proportional to 154,426,720.47, 231,639,894.80 and 39,411,275.10

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Solution

The fourth proportional to 154,426,720.47, 231,639,894.80 and 39,411,275.10 is: 59,116,865.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,426,720.47 : 231,639,894.80 = 39,411,275.10 : x
  2. Step 2: Convert to fraction form
    154,426,720.47/231,639,894.80 = 39,411,275.10/x
  3. Step 3: Cross multiply
    154,426,720.47x = 231,639,894.80 × 39,411,275.10
  4. Step 4: Simplify right side
    154,426,720.47x = 9,129,223,618,704,410
  5. Step 5: Solve for x
    x = 9,129,223,618,704,410/154,426,720.47
  6. Step 6: Final answer
    x = 59,116,865.21

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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.