Home / 130,074,570.18-179,506,202.49-71,339,573.70

Finding the Fourth Proportional to 130,074,570.18, 179,506,202.49 and 71,339,573.70

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Solution

The fourth proportional to 130,074,570.18, 179,506,202.49 and 71,339,573.70 is: 98,450,419.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,074,570.18 : 179,506,202.49 = 71,339,573.70 : x
  2. Step 2: Convert to fraction form
    130,074,570.18/179,506,202.49 = 71,339,573.70/x
  3. Step 3: Cross multiply
    130,074,570.18x = 179,506,202.49 × 71,339,573.70
  4. Step 4: Simplify right side
    130,074,570.18x = 12,805,895,962,142,480
  5. Step 5: Solve for x
    x = 12,805,895,962,142,480/130,074,570.18
  6. Step 6: Final answer
    x = 98,450,419.21

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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.