Home / 83,716,715.60-125,575,073.40-61,041,899.60

Finding the Fourth Proportional to 83,716,715.60, 125,575,073.40 and 61,041,899.60

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Solution

The fourth proportional to 83,716,715.60, 125,575,073.40 and 61,041,899.60 is: 91,562,849.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,716,715.60 : 125,575,073.40 = 61,041,899.60 : x
  2. Step 2: Convert to fraction form
    83,716,715.60/125,575,073.40 = 61,041,899.60/x
  3. Step 3: Cross multiply
    83,716,715.60x = 125,575,073.40 × 61,041,899.60
  4. Step 4: Simplify right side
    83,716,715.60x = 7,665,341,022,745,431
  5. Step 5: Solve for x
    x = 7,665,341,022,745,431/83,716,715.60
  6. Step 6: Final answer
    x = 91,562,849.40

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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.