Home / 247,169,529.60-370,754,294.40-138,330,412.80

Finding the Fourth Proportional to 247,169,529.60, 370,754,294.40 and 138,330,412.80

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Solution

The fourth proportional to 247,169,529.60, 370,754,294.40 and 138,330,412.80 is: 207,495,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,169,529.60 : 370,754,294.40 = 138,330,412.80 : x
  2. Step 2: Convert to fraction form
    247,169,529.60/370,754,294.40 = 138,330,412.80/x
  3. Step 3: Cross multiply
    247,169,529.60x = 370,754,294.40 × 138,330,412.80
  4. Step 4: Simplify right side
    247,169,529.60x = 51,286,594,591,724,728
  5. Step 5: Solve for x
    x = 51,286,594,591,724,728/247,169,529.60
  6. Step 6: Final answer
    x = 207,495,619.20

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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.