Home / 57,527,014-79,386,807.18-31,421,548.12

Finding the Fourth Proportional to 57,527,014, 79,386,807.18 and 31,421,548.12

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Solution

The fourth proportional to 57,527,014, 79,386,807.18 and 31,421,548.12 is: 43,361,478.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,527,014 : 79,386,807.18 = 31,421,548.12 : x
  2. Step 2: Convert to fraction form
    57,527,014/79,386,807.18 = 31,421,548.12/x
  3. Step 3: Cross multiply
    57,527,014x = 79,386,807.18 × 31,421,548.12
  4. Step 4: Simplify right side
    57,527,014x = 2,494,456,381,899,532
  5. Step 5: Solve for x
    x = 2,494,456,381,899,532/57,527,014
  6. Step 6: Final answer
    x = 43,361,478.52

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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.