Home / 124,525,190.70-186,867,502.20-72,709,693.20

Finding the Fourth Proportional to 124,525,190.70, 186,867,502.20 and 72,709,693.20

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Solution

The fourth proportional to 124,525,190.70, 186,867,502.20 and 72,709,693.20 is: 109,111,085.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,525,190.70 : 186,867,502.20 = 72,709,693.20 : x
  2. Step 2: Convert to fraction form
    124,525,190.70/186,867,502.20 = 72,709,693.20/x
  3. Step 3: Cross multiply
    124,525,190.70x = 186,867,502.20 × 72,709,693.20
  4. Step 4: Simplify right side
    124,525,190.70x = 13,587,078,754,012,324
  5. Step 5: Solve for x
    x = 13,587,078,754,012,324/124,525,190.70
  6. Step 6: Final answer
    x = 109,111,085.70

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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.