Home / 130,385,621.60-195,578,432.40-39,497,400.80

Finding the Fourth Proportional to 130,385,621.60, 195,578,432.40 and 39,497,400.80

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Solution

The fourth proportional to 130,385,621.60, 195,578,432.40 and 39,497,400.80 is: 59,246,101.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,385,621.60 : 195,578,432.40 = 39,497,400.80 : x
  2. Step 2: Convert to fraction form
    130,385,621.60/195,578,432.40 = 39,497,400.80/x
  3. Step 3: Cross multiply
    130,385,621.60x = 195,578,432.40 × 39,497,400.80
  4. Step 4: Simplify right side
    130,385,621.60x = 7,724,839,732,338,506
  5. Step 5: Solve for x
    x = 7,724,839,732,338,506/130,385,621.60
  6. Step 6: Final answer
    x = 59,246,101.20

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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.