Home / 121,616,088.67-182,715,158.57-77,982,335.56

Finding the Fourth Proportional to 121,616,088.67, 182,715,158.57 and 77,982,335.56

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Solution

The fourth proportional to 121,616,088.67, 182,715,158.57 and 77,982,335.56 is: 117,160,113.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,616,088.67 : 182,715,158.57 = 77,982,335.56 : x
  2. Step 2: Convert to fraction form
    121,616,088.67/182,715,158.57 = 77,982,335.56/x
  3. Step 3: Cross multiply
    121,616,088.67x = 182,715,158.57 × 77,982,335.56
  4. Step 4: Simplify right side
    121,616,088.67x = 14,248,554,807,487,024
  5. Step 5: Solve for x
    x = 14,248,554,807,487,024/121,616,088.67
  6. Step 6: Final answer
    x = 117,160,113.96

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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.