Home / 125,894,019.60-188,841,029.40-74,749,712.40

Finding the Fourth Proportional to 125,894,019.60, 188,841,029.40 and 74,749,712.40

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Solution

The fourth proportional to 125,894,019.60, 188,841,029.40 and 74,749,712.40 is: 112,124,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,894,019.60 : 188,841,029.40 = 74,749,712.40 : x
  2. Step 2: Convert to fraction form
    125,894,019.60/188,841,029.40 = 74,749,712.40/x
  3. Step 3: Cross multiply
    125,894,019.60x = 188,841,029.40 × 74,749,712.40
  4. Step 4: Simplify right side
    125,894,019.60x = 14,115,812,636,969,946
  5. Step 5: Solve for x
    x = 14,115,812,636,969,946/125,894,019.60
  6. Step 6: Final answer
    x = 112,124,568.60

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1.5x scale

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.