Home / 70,976,421.83-97,947,597.68-39,186,652.90

Finding the Fourth Proportional to 70,976,421.83, 97,947,597.68 and 39,186,652.90

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Solution

The fourth proportional to 70,976,421.83, 97,947,597.68 and 39,186,652.90 is: 54,077,655.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,976,421.83 : 97,947,597.68 = 39,186,652.90 : x
  2. Step 2: Convert to fraction form
    70,976,421.83/97,947,597.68 = 39,186,652.90/x
  3. Step 3: Cross multiply
    70,976,421.83x = 97,947,597.68 × 39,186,652.90
  4. Step 4: Simplify right side
    70,976,421.83x = 3,838,238,512,675,005.50
  5. Step 5: Solve for x
    x = 3,838,238,512,675,005.50/70,976,421.83
  6. Step 6: Final answer
    x = 54,077,655.84

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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.