Home / 154,426,729.53-231,639,908.39-39,411,284.16

Finding the Fourth Proportional to 154,426,729.53, 231,639,908.39 and 39,411,284.16

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Solution

The fourth proportional to 154,426,729.53, 231,639,908.39 and 39,411,284.16 is: 59,116,878.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,426,729.53 : 231,639,908.39 = 39,411,284.16 : x
  2. Step 2: Convert to fraction form
    154,426,729.53/231,639,908.39 = 39,411,284.16/x
  3. Step 3: Cross multiply
    154,426,729.53x = 231,639,908.39 × 39,411,284.16
  4. Step 4: Simplify right side
    154,426,729.53x = 9,129,226,252,354,656
  5. Step 5: Solve for x
    x = 9,129,226,252,354,656/154,426,729.53
  6. Step 6: Final answer
    x = 59,116,878.80

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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.