Home / 158,525,986.60-237,788,979.90-72,432,544.60

Finding the Fourth Proportional to 158,525,986.60, 237,788,979.90 and 72,432,544.60

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Solution

The fourth proportional to 158,525,986.60, 237,788,979.90 and 72,432,544.60 is: 108,648,816.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,525,986.60 : 237,788,979.90 = 72,432,544.60 : x
  2. Step 2: Convert to fraction form
    158,525,986.60/237,788,979.90 = 72,432,544.60/x
  3. Step 3: Cross multiply
    158,525,986.60x = 237,788,979.90 × 72,432,544.60
  4. Step 4: Simplify right side
    158,525,986.60x = 17,223,660,891,995,252
  5. Step 5: Solve for x
    x = 17,223,660,891,995,252/158,525,986.60
  6. Step 6: Final answer
    x = 108,648,816.90

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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.