Home / 86,932,431.70-130,414,393.95-43,692,817.30

Finding the Fourth Proportional to 86,932,431.70, 130,414,393.95 and 43,692,817.30

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Solution

The fourth proportional to 86,932,431.70, 130,414,393.95 and 43,692,817.30 is: 65,547,140.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,932,431.70 : 130,414,393.95 = 43,692,817.30 : x
  2. Step 2: Convert to fraction form
    86,932,431.70/130,414,393.95 = 43,692,817.30/x
  3. Step 3: Cross multiply
    86,932,431.70x = 130,414,393.95 × 43,692,817.30
  4. Step 4: Simplify right side
    86,932,431.70x = 5,698,172,288,147,575
  5. Step 5: Solve for x
    x = 5,698,172,288,147,575/86,932,431.70
  6. Step 6: Final answer
    x = 65,547,140.20

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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.