Home / 134,829,377.96-186,011,601.53-78,304,501.71

Finding the Fourth Proportional to 134,829,377.96, 186,011,601.53 and 78,304,501.71

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Solution

The fourth proportional to 134,829,377.96, 186,011,601.53 and 78,304,501.71 is: 108,029,466.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,829,377.96 : 186,011,601.53 = 78,304,501.71 : x
  2. Step 2: Convert to fraction form
    134,829,377.96/186,011,601.53 = 78,304,501.71/x
  3. Step 3: Cross multiply
    134,829,377.96x = 186,011,601.53 × 78,304,501.71
  4. Step 4: Simplify right side
    134,829,377.96x = 14,565,545,769,694,200
  5. Step 5: Solve for x
    x = 14,565,545,769,694,200/134,829,377.96
  6. Step 6: Final answer
    x = 108,029,466.51

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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.