Home / 124,073,143.20-186,109,714.80-31,956,703.20

Finding the Fourth Proportional to 124,073,143.20, 186,109,714.80 and 31,956,703.20

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Solution

The fourth proportional to 124,073,143.20, 186,109,714.80 and 31,956,703.20 is: 47,935,054.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,073,143.20 : 186,109,714.80 = 31,956,703.20 : x
  2. Step 2: Convert to fraction form
    124,073,143.20/186,109,714.80 = 31,956,703.20/x
  3. Step 3: Cross multiply
    124,073,143.20x = 186,109,714.80 × 31,956,703.20
  4. Step 4: Simplify right side
    124,073,143.20x = 5,947,452,918,500,248
  5. Step 5: Solve for x
    x = 5,947,452,918,500,248/124,073,143.20
  6. Step 6: Final answer
    x = 47,935,054.80

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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.