Home / 66,049,343.40-99,074,015.10-61,266,374.40

Finding the Fourth Proportional to 66,049,343.40, 99,074,015.10 and 61,266,374.40

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Solution

The fourth proportional to 66,049,343.40, 99,074,015.10 and 61,266,374.40 is: 91,899,561.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,049,343.40 : 99,074,015.10 = 61,266,374.40 : x
  2. Step 2: Convert to fraction form
    66,049,343.40/99,074,015.10 = 61,266,374.40/x
  3. Step 3: Cross multiply
    66,049,343.40x = 99,074,015.10 × 61,266,374.40
  4. Step 4: Simplify right side
    66,049,343.40x = 6,069,905,702,427,853
  5. Step 5: Solve for x
    x = 6,069,905,702,427,853/66,049,343.40
  6. Step 6: Final answer
    x = 91,899,561.60

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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.