Home / 113,966,516.50-157,256,397.81-64,388,800.73

Finding the Fourth Proportional to 113,966,516.50, 157,256,397.81 and 64,388,800.73

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Solution

The fourth proportional to 113,966,516.50, 157,256,397.81 and 64,388,800.73 is: 88,846,717.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,966,516.50 : 157,256,397.81 = 64,388,800.73 : x
  2. Step 2: Convert to fraction form
    113,966,516.50/157,256,397.81 = 64,388,800.73/x
  3. Step 3: Cross multiply
    113,966,516.50x = 157,256,397.81 × 64,388,800.73
  4. Step 4: Simplify right side
    113,966,516.50x = 10,125,550,862,498,840
  5. Step 5: Solve for x
    x = 10,125,550,862,498,840/113,966,516.50
  6. Step 6: Final answer
    x = 88,846,717.21

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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.