Home / 124,643,744.80-186,965,617.20-70,896,032.80

Finding the Fourth Proportional to 124,643,744.80, 186,965,617.20 and 70,896,032.80

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Solution

The fourth proportional to 124,643,744.80, 186,965,617.20 and 70,896,032.80 is: 106,344,049.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,643,744.80 : 186,965,617.20 = 70,896,032.80 : x
  2. Step 2: Convert to fraction form
    124,643,744.80/186,965,617.20 = 70,896,032.80/x
  3. Step 3: Cross multiply
    124,643,744.80x = 186,965,617.20 × 70,896,032.80
  4. Step 4: Simplify right side
    124,643,744.80x = 13,255,120,529,483,442
  5. Step 5: Solve for x
    x = 13,255,120,529,483,442/124,643,744.80
  6. Step 6: Final answer
    x = 106,344,049.20

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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.