Home / 86,909,565.95-130,380,095.33-43,669,951.55

Finding the Fourth Proportional to 86,909,565.95, 130,380,095.33 and 43,669,951.55

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Solution

The fourth proportional to 86,909,565.95, 130,380,095.33 and 43,669,951.55 is: 65,512,839.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,909,565.95 : 130,380,095.33 = 43,669,951.55 : x
  2. Step 2: Convert to fraction form
    86,909,565.95/130,380,095.33 = 43,669,951.55/x
  3. Step 3: Cross multiply
    86,909,565.95x = 130,380,095.33 × 43,669,951.55
  4. Step 4: Simplify right side
    86,909,565.95x = 5,693,692,445,927,131
  5. Step 5: Solve for x
    x = 5,693,692,445,927,131/86,909,565.95
  6. Step 6: Final answer
    x = 65,512,839.51

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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.