Home / 86,793,165.60-130,189,748.40-67,638,285.60

Finding the Fourth Proportional to 86,793,165.60, 130,189,748.40 and 67,638,285.60

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Solution

The fourth proportional to 86,793,165.60, 130,189,748.40 and 67,638,285.60 is: 101,457,428.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,793,165.60 : 130,189,748.40 = 67,638,285.60 : x
  2. Step 2: Convert to fraction form
    86,793,165.60/130,189,748.40 = 67,638,285.60/x
  3. Step 3: Cross multiply
    86,793,165.60x = 130,189,748.40 × 67,638,285.60
  4. Step 4: Simplify right side
    86,793,165.60x = 8,805,811,384,471,343
  5. Step 5: Solve for x
    x = 8,805,811,384,471,343/86,793,165.60
  6. Step 6: Final answer
    x = 101,457,428.40

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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.