Home / 66,298,746.53-91,493,218.08-38,045,723.64

Finding the Fourth Proportional to 66,298,746.53, 91,493,218.08 and 38,045,723.64

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Solution

The fourth proportional to 66,298,746.53, 91,493,218.08 and 38,045,723.64 is: 52,503,642.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,298,746.53 : 91,493,218.08 = 38,045,723.64 : x
  2. Step 2: Convert to fraction form
    66,298,746.53/91,493,218.08 = 38,045,723.64/x
  3. Step 3: Cross multiply
    66,298,746.53x = 91,493,218.08 × 38,045,723.64
  4. Step 4: Simplify right side
    66,298,746.53x = 3,480,925,690,005,931.50
  5. Step 5: Solve for x
    x = 3,480,925,690,005,931.50/66,298,746.53
  6. Step 6: Final answer
    x = 52,503,642.56

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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.