Home / 164,885,646.23-247,376,338.11-66,466,561.61

Finding the Fourth Proportional to 164,885,646.23, 247,376,338.11 and 66,466,561.61

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Solution

The fourth proportional to 164,885,646.23, 247,376,338.11 and 66,466,561.61 is: 99,719,138.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,885,646.23 : 247,376,338.11 = 66,466,561.61 : x
  2. Step 2: Convert to fraction form
    164,885,646.23/247,376,338.11 = 66,466,561.61/x
  3. Step 3: Cross multiply
    164,885,646.23x = 247,376,338.11 × 66,466,561.61
  4. Step 4: Simplify right side
    164,885,646.23x = 16,442,254,616,607,624
  5. Step 5: Solve for x
    x = 16,442,254,616,607,624/164,885,646.23
  6. Step 6: Final answer
    x = 99,719,138.65

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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.