Home / 124,816,287.40-187,168,443.90-48,113,823.40

Finding the Fourth Proportional to 124,816,287.40, 187,168,443.90 and 48,113,823.40

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Solution

The fourth proportional to 124,816,287.40, 187,168,443.90 and 48,113,823.40 is: 72,149,153.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,816,287.40 : 187,168,443.90 = 48,113,823.40 : x
  2. Step 2: Convert to fraction form
    124,816,287.40/187,168,443.90 = 48,113,823.40/x
  3. Step 3: Cross multiply
    124,816,287.40x = 187,168,443.90 × 48,113,823.40
  4. Step 4: Simplify right side
    124,816,287.40x = 9,005,389,455,857,407
  5. Step 5: Solve for x
    x = 9,005,389,455,857,407/124,816,287.40
  6. Step 6: Final answer
    x = 72,149,153.32

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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.