Home / 124,525,235.70-186,867,569.70-72,709,738.20

Finding the Fourth Proportional to 124,525,235.70, 186,867,569.70 and 72,709,738.20

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Solution

The fourth proportional to 124,525,235.70, 186,867,569.70 and 72,709,738.20 is: 109,111,153.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,525,235.70 : 186,867,569.70 = 72,709,738.20 : x
  2. Step 2: Convert to fraction form
    124,525,235.70/186,867,569.70 = 72,709,738.20/x
  3. Step 3: Cross multiply
    124,525,235.70x = 186,867,569.70 × 72,709,738.20
  4. Step 4: Simplify right side
    124,525,235.70x = 13,587,092,070,957,252
  5. Step 5: Solve for x
    x = 13,587,092,070,957,252/124,525,235.70
  6. Step 6: Final answer
    x = 109,111,153.21

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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.