Home / 112,762,446.30-169,143,669.45-67,412,814.30

Finding the Fourth Proportional to 112,762,446.30, 169,143,669.45 and 67,412,814.30

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Solution

The fourth proportional to 112,762,446.30, 169,143,669.45 and 67,412,814.30 is: 101,119,221.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,762,446.30 : 169,143,669.45 = 67,412,814.30 : x
  2. Step 2: Convert to fraction form
    112,762,446.30/169,143,669.45 = 67,412,814.30/x
  3. Step 3: Cross multiply
    112,762,446.30x = 169,143,669.45 × 67,412,814.30
  4. Step 4: Simplify right side
    112,762,446.30x = 11,402,450,778,653,432
  5. Step 5: Solve for x
    x = 11,402,450,778,653,432/112,762,446.30
  6. Step 6: Final answer
    x = 101,119,221.45

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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.