Home / 42,986,117.60-64,479,176.40-11,073,413.60

Finding the Fourth Proportional to 42,986,117.60, 64,479,176.40 and 11,073,413.60

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Solution

The fourth proportional to 42,986,117.60, 64,479,176.40 and 11,073,413.60 is: 16,610,120.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,986,117.60 : 64,479,176.40 = 11,073,413.60 : x
  2. Step 2: Convert to fraction form
    42,986,117.60/64,479,176.40 = 11,073,413.60/x
  3. Step 3: Cross multiply
    42,986,117.60x = 64,479,176.40 × 11,073,413.60
  4. Step 4: Simplify right side
    42,986,117.60x = 714,004,588,864,559
  5. Step 5: Solve for x
    x = 714,004,588,864,559/42,986,117.60
  6. Step 6: Final answer
    x = 16,610,120.40

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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.