Home / 57,147,254.02-78,864,677.40-31,043,265.76

Finding the Fourth Proportional to 57,147,254.02, 78,864,677.40 and 31,043,265.76

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Solution

The fourth proportional to 57,147,254.02, 78,864,677.40 and 31,043,265.76 is: 42,840,503.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,147,254.02 : 78,864,677.40 = 31,043,265.76 : x
  2. Step 2: Convert to fraction form
    57,147,254.02/78,864,677.40 = 31,043,265.76/x
  3. Step 3: Cross multiply
    57,147,254.02x = 78,864,677.40 × 31,043,265.76
  4. Step 4: Simplify right side
    57,147,254.02x = 2,448,217,139,604,866
  5. Step 5: Solve for x
    x = 2,448,217,139,604,866/57,147,254.02
  6. Step 6: Final answer
    x = 42,840,503.57

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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.