Home / 124,228,987.20-186,341,731.20-56,071,569.60

Finding the Fourth Proportional to 124,228,987.20, 186,341,731.20 and 56,071,569.60

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Solution

The fourth proportional to 124,228,987.20, 186,341,731.20 and 56,071,569.60 is: 84,106,564.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,228,987.20 : 186,341,731.20 = 56,071,569.60 : x
  2. Step 2: Convert to fraction form
    124,228,987.20/186,341,731.20 = 56,071,569.60/x
  3. Step 3: Cross multiply
    124,228,987.20x = 186,341,731.20 × 56,071,569.60
  4. Step 4: Simplify right side
    124,228,987.20x = 10,448,473,350,365,292
  5. Step 5: Solve for x
    x = 10,448,473,350,365,292/124,228,987.20
  6. Step 6: Final answer
    x = 84,106,564.71

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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.