Home / 86,937,693.70-130,406,540.55-65,254,900.90

Finding the Fourth Proportional to 86,937,693.70, 130,406,540.55 and 65,254,900.90

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Solution

The fourth proportional to 86,937,693.70, 130,406,540.55 and 65,254,900.90 is: 97,882,351.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,937,693.70 : 130,406,540.55 = 65,254,900.90 : x
  2. Step 2: Convert to fraction form
    86,937,693.70/130,406,540.55 = 65,254,900.90/x
  3. Step 3: Cross multiply
    86,937,693.70x = 130,406,540.55 × 65,254,900.90
  4. Step 4: Simplify right side
    86,937,693.70x = 8,509,665,880,302,081
  5. Step 5: Solve for x
    x = 8,509,665,880,302,081/86,937,693.70
  6. Step 6: Final answer
    x = 97,882,351.35

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Similar ratio
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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.