Home / 215,533,510.80-323,300,266.20-147,509,062.80

Finding the Fourth Proportional to 215,533,510.80, 323,300,266.20 and 147,509,062.80

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Solution

The fourth proportional to 215,533,510.80, 323,300,266.20 and 147,509,062.80 is: 221,263,594.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,533,510.80 : 323,300,266.20 = 147,509,062.80 : x
  2. Step 2: Convert to fraction form
    215,533,510.80/323,300,266.20 = 147,509,062.80/x
  3. Step 3: Cross multiply
    215,533,510.80x = 323,300,266.20 × 147,509,062.80
  4. Step 4: Simplify right side
    215,533,510.80x = 47,689,719,270,152,520
  5. Step 5: Solve for x
    x = 47,689,719,270,152,520/215,533,510.80
  6. Step 6: Final answer
    x = 221,263,594.20

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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.