Home / 57,170,148.66-78,894,632.97-31,064,746.14

Finding the Fourth Proportional to 57,170,148.66, 78,894,632.97 and 31,064,746.14

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Solution

The fourth proportional to 57,170,148.66, 78,894,632.97 and 31,064,746.14 is: 42,869,256.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,170,148.66 : 78,894,632.97 = 31,064,746.14 : x
  2. Step 2: Convert to fraction form
    57,170,148.66/78,894,632.97 = 31,064,746.14/x
  3. Step 3: Cross multiply
    57,170,148.66x = 78,894,632.97 × 31,064,746.14
  4. Step 4: Simplify right side
    57,170,148.66x = 2,450,841,745,021,524
  5. Step 5: Solve for x
    x = 2,450,841,745,021,524/57,170,148.66
  6. Step 6: Final answer
    x = 42,869,256.11

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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.