Home / 42,221,545.06-58,235,689.21-38,748,102.96

Finding the Fourth Proportional to 42,221,545.06, 58,235,689.21 and 38,748,102.96

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Solution

The fourth proportional to 42,221,545.06, 58,235,689.21 and 38,748,102.96 is: 53,444,810.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,221,545.06 : 58,235,689.21 = 38,748,102.96 : x
  2. Step 2: Convert to fraction form
    42,221,545.06/58,235,689.21 = 38,748,102.96/x
  3. Step 3: Cross multiply
    42,221,545.06x = 58,235,689.21 × 38,748,102.96
  4. Step 4: Simplify right side
    42,221,545.06x = 2,256,522,481,608,548.50
  5. Step 5: Solve for x
    x = 2,256,522,481,608,548.50/42,221,545.06
  6. Step 6: Final answer
    x = 53,444,810.67

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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.