Home / 125,355,612.60-188,033,418.90-103,814,537.40

Finding the Fourth Proportional to 125,355,612.60, 188,033,418.90 and 103,814,537.40

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Solution

The fourth proportional to 125,355,612.60, 188,033,418.90 and 103,814,537.40 is: 155,721,806.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,355,612.60 : 188,033,418.90 = 103,814,537.40 : x
  2. Step 2: Convert to fraction form
    125,355,612.60/188,033,418.90 = 103,814,537.40/x
  3. Step 3: Cross multiply
    125,355,612.60x = 188,033,418.90 × 103,814,537.40
  4. Step 4: Simplify right side
    125,355,612.60x = 19,520,602,398,843,920
  5. Step 5: Solve for x
    x = 19,520,602,398,843,920/125,355,612.60
  6. Step 6: Final answer
    x = 155,721,806.10

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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.