Home / 124,490,400.30-186,735,600.45-59,778,601.20

Finding the Fourth Proportional to 124,490,400.30, 186,735,600.45 and 59,778,601.20

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Solution

The fourth proportional to 124,490,400.30, 186,735,600.45 and 59,778,601.20 is: 89,667,901.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,490,400.30 : 186,735,600.45 = 59,778,601.20 : x
  2. Step 2: Convert to fraction form
    124,490,400.30/186,735,600.45 = 59,778,601.20/x
  3. Step 3: Cross multiply
    124,490,400.30x = 186,735,600.45 × 59,778,601.20
  4. Step 4: Simplify right side
    124,490,400.30x = 11,162,792,989,143,090
  5. Step 5: Solve for x
    x = 11,162,792,989,143,090/124,490,400.30
  6. Step 6: Final answer
    x = 89,667,901.80

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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.