Home / 124,620,948.30-186,931,422.45-70,873,236.30

Finding the Fourth Proportional to 124,620,948.30, 186,931,422.45 and 70,873,236.30

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Solution

The fourth proportional to 124,620,948.30, 186,931,422.45 and 70,873,236.30 is: 106,309,854.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,620,948.30 : 186,931,422.45 = 70,873,236.30 : x
  2. Step 2: Convert to fraction form
    124,620,948.30/186,931,422.45 = 70,873,236.30/x
  3. Step 3: Cross multiply
    124,620,948.30x = 186,931,422.45 × 70,873,236.30
  4. Step 4: Simplify right side
    124,620,948.30x = 13,248,434,875,193,974
  5. Step 5: Solve for x
    x = 13,248,434,875,193,974/124,620,948.30
  6. Step 6: Final answer
    x = 106,309,854.45

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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.