Home / 147,626,155.20-221,439,232.80-79,601,707.20

Finding the Fourth Proportional to 147,626,155.20, 221,439,232.80 and 79,601,707.20

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Solution

The fourth proportional to 147,626,155.20, 221,439,232.80 and 79,601,707.20 is: 119,402,560.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,626,155.20 : 221,439,232.80 = 79,601,707.20 : x
  2. Step 2: Convert to fraction form
    147,626,155.20/221,439,232.80 = 79,601,707.20/x
  3. Step 3: Cross multiply
    147,626,155.20x = 221,439,232.80 × 79,601,707.20
  4. Step 4: Simplify right side
    147,626,155.20x = 17,626,940,971,938,238
  5. Step 5: Solve for x
    x = 17,626,940,971,938,238/147,626,155.20
  6. Step 6: Final answer
    x = 119,402,560.80

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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.