Home / 115,916,923.10-173,875,384.65-87,006,532.70

Finding the Fourth Proportional to 115,916,923.10, 173,875,384.65 and 87,006,532.70

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Solution

The fourth proportional to 115,916,923.10, 173,875,384.65 and 87,006,532.70 is: 130,509,799.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,916,923.10 : 173,875,384.65 = 87,006,532.70 : x
  2. Step 2: Convert to fraction form
    115,916,923.10/173,875,384.65 = 87,006,532.70/x
  3. Step 3: Cross multiply
    115,916,923.10x = 173,875,384.65 × 87,006,532.70
  4. Step 4: Simplify right side
    115,916,923.10x = 15,128,294,340,275,304
  5. Step 5: Solve for x
    x = 15,128,294,340,275,304/115,916,923.10
  6. Step 6: Final answer
    x = 130,509,799.05

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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.