Home / 73,872,574.80-101,942,373.60-40,380,565.20

Finding the Fourth Proportional to 73,872,574.80, 101,942,373.60 and 40,380,565.20

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Solution

The fourth proportional to 73,872,574.80, 101,942,373.60 and 40,380,565.20 is: 55,724,207.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,872,574.80 : 101,942,373.60 = 40,380,565.20 : x
  2. Step 2: Convert to fraction form
    73,872,574.80/101,942,373.60 = 40,380,565.20/x
  3. Step 3: Cross multiply
    73,872,574.80x = 101,942,373.60 × 40,380,565.20
  4. Step 4: Simplify right side
    73,872,574.80x = 4,116,490,663,797,559
  5. Step 5: Solve for x
    x = 4,116,490,663,797,559/73,872,574.80
  6. Step 6: Final answer
    x = 55,724,207.19

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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.