Home / 130,160,943.16-179,621,608.83-71,424,591.21

Finding the Fourth Proportional to 130,160,943.16, 179,621,608.83 and 71,424,591.21

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Solution

The fourth proportional to 130,160,943.16, 179,621,608.83 and 71,424,591.21 is: 98,565,665.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,160,943.16 : 179,621,608.83 = 71,424,591.21 : x
  2. Step 2: Convert to fraction form
    130,160,943.16/179,621,608.83 = 71,424,591.21/x
  3. Step 3: Cross multiply
    130,160,943.16x = 179,621,608.83 × 71,424,591.21
  4. Step 4: Simplify right side
    130,160,943.16x = 12,829,399,982,897,432
  5. Step 5: Solve for x
    x = 12,829,399,982,897,432/130,160,943.16
  6. Step 6: Final answer
    x = 98,565,665.49

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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.