Home / 86,939,955.06-130,433,452.56-29,432,231.16

Finding the Fourth Proportional to 86,939,955.06, 130,433,452.56 and 29,432,231.16

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Solution

The fourth proportional to 86,939,955.06, 130,433,452.56 and 29,432,231.16 is: 44,156,309.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,939,955.06 : 130,433,452.56 = 29,432,231.16 : x
  2. Step 2: Convert to fraction form
    86,939,955.06/130,433,452.56 = 29,432,231.16/x
  3. Step 3: Cross multiply
    86,939,955.06x = 130,433,452.56 × 29,432,231.16
  4. Step 4: Simplify right side
    86,939,955.06x = 3,838,947,526,742,814
  5. Step 5: Solve for x
    x = 3,838,947,526,742,814/86,939,955.06
  6. Step 6: Final answer
    x = 44,156,309.08

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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.