Home / 155,689,643.70-233,534,465.55-98,358,750.90

Finding the Fourth Proportional to 155,689,643.70, 233,534,465.55 and 98,358,750.90

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Solution

The fourth proportional to 155,689,643.70, 233,534,465.55 and 98,358,750.90 is: 147,538,126.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,689,643.70 : 233,534,465.55 = 98,358,750.90 : x
  2. Step 2: Convert to fraction form
    155,689,643.70/233,534,465.55 = 98,358,750.90/x
  3. Step 3: Cross multiply
    155,689,643.70x = 233,534,465.55 × 98,358,750.90
  4. Step 4: Simplify right side
    155,689,643.70x = 22,970,158,323,597,084
  5. Step 5: Solve for x
    x = 22,970,158,323,597,084/155,689,643.70
  6. Step 6: Final answer
    x = 147,538,126.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.