Home / 130,074,563.43-179,506,193.18-71,339,566.95

Finding the Fourth Proportional to 130,074,563.43, 179,506,193.18 and 71,339,566.95

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Solution

The fourth proportional to 130,074,563.43, 179,506,193.18 and 71,339,566.95 is: 98,450,409.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,074,563.43 : 179,506,193.18 = 71,339,566.95 : x
  2. Step 2: Convert to fraction form
    130,074,563.43/179,506,193.18 = 71,339,566.95/x
  3. Step 3: Cross multiply
    130,074,563.43x = 179,506,193.18 × 71,339,566.95
  4. Step 4: Simplify right side
    130,074,563.43x = 12,805,894,085,947,546
  5. Step 5: Solve for x
    x = 12,805,894,085,947,546/130,074,563.43
  6. Step 6: Final answer
    x = 98,450,409.89

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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.