Home / 72,506,154.96-100,061,134.20-39,464,808.36

Finding the Fourth Proportional to 72,506,154.96, 100,061,134.20 and 39,464,808.36

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Solution

The fourth proportional to 72,506,154.96, 100,061,134.20 and 39,464,808.36 is: 54,462,872.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,506,154.96 : 100,061,134.20 = 39,464,808.36 : x
  2. Step 2: Convert to fraction form
    72,506,154.96/100,061,134.20 = 39,464,808.36/x
  3. Step 3: Cross multiply
    72,506,154.96x = 100,061,134.20 × 39,464,808.36
  4. Step 4: Simplify right side
    72,506,154.96x = 3,948,893,485,487,242
  5. Step 5: Solve for x
    x = 3,948,893,485,487,242/72,506,154.96
  6. Step 6: Final answer
    x = 54,462,872.67

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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.