Home / 90,782,377.92-136,158,946.79-26,071,463.34

Finding the Fourth Proportional to 90,782,377.92, 136,158,946.79 and 26,071,463.34

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Solution

The fourth proportional to 90,782,377.92, 136,158,946.79 and 26,071,463.34 is: 39,102,996.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,782,377.92 : 136,158,946.79 = 26,071,463.34 : x
  2. Step 2: Convert to fraction form
    90,782,377.92/136,158,946.79 = 26,071,463.34/x
  3. Step 3: Cross multiply
    90,782,377.92x = 136,158,946.79 × 26,071,463.34
  4. Step 4: Simplify right side
    90,782,377.92x = 3,549,862,989,518,138
  5. Step 5: Solve for x
    x = 3,549,862,989,518,138/90,782,377.92
  6. Step 6: Final answer
    x = 39,102,996.32

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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.