Home / 57,312,581.93-79,091,026.13-31,207,037.30

Finding the Fourth Proportional to 57,312,581.93, 79,091,026.13 and 31,207,037.30

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Solution

The fourth proportional to 57,312,581.93, 79,091,026.13 and 31,207,037.30 is: 43,065,528.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,312,581.93 : 79,091,026.13 = 31,207,037.30 : x
  2. Step 2: Convert to fraction form
    57,312,581.93/79,091,026.13 = 31,207,037.30/x
  3. Step 3: Cross multiply
    57,312,581.93x = 79,091,026.13 × 31,207,037.30
  4. Step 4: Simplify right side
    57,312,581.93x = 2,468,196,602,378,149.50
  5. Step 5: Solve for x
    x = 2,468,196,602,378,149.50/57,312,581.93
  6. Step 6: Final answer
    x = 43,065,528.01

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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.