Home / 83,001,186.15-124,501,779.23-81,867,445.35

Finding the Fourth Proportional to 83,001,186.15, 124,501,779.23 and 81,867,445.35

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Solution

The fourth proportional to 83,001,186.15, 124,501,779.23 and 81,867,445.35 is: 122,801,168.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,001,186.15 : 124,501,779.23 = 81,867,445.35 : x
  2. Step 2: Convert to fraction form
    83,001,186.15/124,501,779.23 = 81,867,445.35/x
  3. Step 3: Cross multiply
    83,001,186.15x = 124,501,779.23 × 81,867,445.35
  4. Step 4: Simplify right side
    83,001,186.15x = 10,192,642,606,680,452
  5. Step 5: Solve for x
    x = 10,192,642,606,680,452/83,001,186.15
  6. Step 6: Final answer
    x = 122,801,168.03

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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.