Home / 72,221,846.62-99,666,337.60-39,182,094.04

Finding the Fourth Proportional to 72,221,846.62, 99,666,337.60 and 39,182,094.04

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Solution

The fourth proportional to 72,221,846.62, 99,666,337.60 and 39,182,094.04 is: 54,071,392.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,221,846.62 : 99,666,337.60 = 39,182,094.04 : x
  2. Step 2: Convert to fraction form
    72,221,846.62/99,666,337.60 = 39,182,094.04/x
  3. Step 3: Cross multiply
    72,221,846.62x = 99,666,337.60 × 39,182,094.04
  4. Step 4: Simplify right side
    72,221,846.62x = 3,905,135,812,465,587.50
  5. Step 5: Solve for x
    x = 3,905,135,812,465,587.50/72,221,846.62
  6. Step 6: Final answer
    x = 54,071,392.46

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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.