Home / 124,554,152.80-186,831,229.20-72,685,511.20

Finding the Fourth Proportional to 124,554,152.80, 186,831,229.20 and 72,685,511.20

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Solution

The fourth proportional to 124,554,152.80, 186,831,229.20 and 72,685,511.20 is: 109,028,266.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,554,152.80 : 186,831,229.20 = 72,685,511.20 : x
  2. Step 2: Convert to fraction form
    124,554,152.80/186,831,229.20 = 72,685,511.20/x
  3. Step 3: Cross multiply
    124,554,152.80x = 186,831,229.20 × 72,685,511.20
  4. Step 4: Simplify right side
    124,554,152.80x = 13,579,923,402,526,366
  5. Step 5: Solve for x
    x = 13,579,923,402,526,366/124,554,152.80
  6. Step 6: Final answer
    x = 109,028,266.80

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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.