Home / 52,191,909.95-78,286,841.19-21,066,739.18

Finding the Fourth Proportional to 52,191,909.95, 78,286,841.19 and 21,066,739.18

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Solution

The fourth proportional to 52,191,909.95, 78,286,841.19 and 21,066,739.18 is: 31,599,695.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,191,909.95 : 78,286,841.19 = 21,066,739.18 : x
  2. Step 2: Convert to fraction form
    52,191,909.95/78,286,841.19 = 21,066,739.18/x
  3. Step 3: Cross multiply
    52,191,909.95x = 78,286,841.19 × 21,066,739.18
  4. Step 4: Simplify right side
    52,191,909.95x = 1,649,248,464,761,154.50
  5. Step 5: Solve for x
    x = 1,649,248,464,761,154.50/52,191,909.95
  6. Step 6: Final answer
    x = 31,599,695.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.