Home / 191,490,989.28-287,276,837.04-62,088,508.96

Finding the Fourth Proportional to 191,490,989.28, 287,276,837.04 and 62,088,508.96

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Solution

The fourth proportional to 191,490,989.28, 287,276,837.04 and 62,088,508.96 is: 93,145,847.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,490,989.28 : 287,276,837.04 = 62,088,508.96 : x
  2. Step 2: Convert to fraction form
    191,490,989.28/287,276,837.04 = 62,088,508.96/x
  3. Step 3: Cross multiply
    191,490,989.28x = 287,276,837.04 × 62,088,508.96
  4. Step 4: Simplify right side
    191,490,989.28x = 17,836,590,470,558,502
  5. Step 5: Solve for x
    x = 17,836,590,470,558,502/191,490,989.28
  6. Step 6: Final answer
    x = 93,145,847.42

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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.