Home / 130,859,350.04-180,583,560.23-71,321,182.40

Finding the Fourth Proportional to 130,859,350.04, 180,583,560.23 and 71,321,182.40

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Solution

The fourth proportional to 130,859,350.04, 180,583,560.23 and 71,321,182.40 is: 98,421,954.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,859,350.04 : 180,583,560.23 = 71,321,182.40 : x
  2. Step 2: Convert to fraction form
    130,859,350.04/180,583,560.23 = 71,321,182.40/x
  3. Step 3: Cross multiply
    130,859,350.04x = 180,583,560.23 × 71,321,182.40
  4. Step 4: Simplify right side
    130,859,350.04x = 12,879,433,037,700,070
  5. Step 5: Solve for x
    x = 12,879,433,037,700,070/130,859,350.04
  6. Step 6: Final answer
    x = 98,421,954.82

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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.