Home / 154,426,729.29-231,639,908.01-39,411,283.92

Finding the Fourth Proportional to 154,426,729.29, 231,639,908.01 and 39,411,283.92

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Solution

The fourth proportional to 154,426,729.29, 231,639,908.01 and 39,411,283.92 is: 59,116,878.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,426,729.29 : 231,639,908.01 = 39,411,283.92 : x
  2. Step 2: Convert to fraction form
    154,426,729.29/231,639,908.01 = 39,411,283.92/x
  3. Step 3: Cross multiply
    154,426,729.29x = 231,639,908.01 × 39,411,283.92
  4. Step 4: Simplify right side
    154,426,729.29x = 9,129,226,181,784,792
  5. Step 5: Solve for x
    x = 9,129,226,181,784,792/154,426,729.29
  6. Step 6: Final answer
    x = 59,116,878.43

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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.