Home / 78,656,209,737.17-108,553,981,300.36-48,192,610,275.05

Finding the Fourth Proportional to 78,656,209,737.17, 108,553,981,300.36 and 48,192,610,275.05

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Solution

The fourth proportional to 78,656,209,737.17, 108,553,981,300.36 and 48,192,610,275.05 is: 66,510,956,122.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,656,209,737.17 : 108,553,981,300.36 = 48,192,610,275.05 : x
  2. Step 2: Convert to fraction form
    78,656,209,737.17/108,553,981,300.36 = 48,192,610,275.05/x
  3. Step 3: Cross multiply
    78,656,209,737.17x = 108,553,981,300.36 × 48,192,610,275.05
  4. Step 4: Simplify right side
    78,656,209,737.17x = 5,231,499,714,612,771,684,352
  5. Step 5: Solve for x
    x = 5,231,499,714,612,771,684,352/78,656,209,737.17
  6. Step 6: Final answer
    x = 66,510,956,122.78

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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.