Home / 247,623,287.40-371,434,931.10-223,814,730.60

Finding the Fourth Proportional to 247,623,287.40, 371,434,931.10 and 223,814,730.60

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Solution

The fourth proportional to 247,623,287.40, 371,434,931.10 and 223,814,730.60 is: 335,722,095.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,623,287.40 : 371,434,931.10 = 223,814,730.60 : x
  2. Step 2: Convert to fraction form
    247,623,287.40/371,434,931.10 = 223,814,730.60/x
  3. Step 3: Cross multiply
    247,623,287.40x = 371,434,931.10 × 223,814,730.60
  4. Step 4: Simplify right side
    247,623,287.40x = 83,132,609,039,576,064
  5. Step 5: Solve for x
    x = 83,132,609,039,576,064/247,623,287.40
  6. Step 6: Final answer
    x = 335,722,095.90

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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.