Home / 86,334,877-119,140,685.22-47,175,750.52

Finding the Fourth Proportional to 86,334,877, 119,140,685.22 and 47,175,750.52

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Solution

The fourth proportional to 86,334,877, 119,140,685.22 and 47,175,750.52 is: 65,101,746.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,334,877 : 119,140,685.22 = 47,175,750.52 : x
  2. Step 2: Convert to fraction form
    86,334,877/119,140,685.22 = 47,175,750.52/x
  3. Step 3: Cross multiply
    86,334,877x = 119,140,685.22 × 47,175,750.52
  4. Step 4: Simplify right side
    86,334,877x = 5,620,551,242,720,572
  5. Step 5: Solve for x
    x = 5,620,551,242,720,572/86,334,877
  6. Step 6: Final answer
    x = 65,101,746.11

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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.