Home / 73,779,856.49-101,825,178.82-42,840,024.86

Finding the Fourth Proportional to 73,779,856.49, 101,825,178.82 and 42,840,024.86

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Solution

The fourth proportional to 73,779,856.49, 101,825,178.82 and 42,840,024.86 is: 59,124,446.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,779,856.49 : 101,825,178.82 = 42,840,024.86 : x
  2. Step 2: Convert to fraction form
    73,779,856.49/101,825,178.82 = 42,840,024.86/x
  3. Step 3: Cross multiply
    73,779,856.49x = 101,825,178.82 × 42,840,024.86
  4. Step 4: Simplify right side
    73,779,856.49x = 4,362,193,192,170,208
  5. Step 5: Solve for x
    x = 4,362,193,192,170,208/73,779,856.49
  6. Step 6: Final answer
    x = 59,124,446.69

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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.