Home / 64,701,215.56-89,299,210.62-38,238,489.10

Finding the Fourth Proportional to 64,701,215.56, 89,299,210.62 and 38,238,489.10

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Solution

The fourth proportional to 64,701,215.56, 89,299,210.62 and 38,238,489.10 is: 52,775,931.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,701,215.56 : 89,299,210.62 = 38,238,489.10 : x
  2. Step 2: Convert to fraction form
    64,701,215.56/89,299,210.62 = 38,238,489.10/x
  3. Step 3: Cross multiply
    64,701,215.56x = 89,299,210.62 × 38,238,489.10
  4. Step 4: Simplify right side
    64,701,215.56x = 3,414,666,891,931,474.50
  5. Step 5: Solve for x
    x = 3,414,666,891,931,474.50/64,701,215.56
  6. Step 6: Final answer
    x = 52,775,931.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.