Home / 121,630,437.80-182,191,295.10-56,989,413.80

Finding the Fourth Proportional to 121,630,437.80, 182,191,295.10 and 56,989,413.80

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Solution

The fourth proportional to 121,630,437.80, 182,191,295.10 and 56,989,413.80 is: 85,364,940.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,630,437.80 : 182,191,295.10 = 56,989,413.80 : x
  2. Step 2: Convert to fraction form
    121,630,437.80/182,191,295.10 = 56,989,413.80/x
  3. Step 3: Cross multiply
    121,630,437.80x = 182,191,295.10 × 56,989,413.80
  4. Step 4: Simplify right side
    121,630,437.80x = 10,382,975,107,211,812
  5. Step 5: Solve for x
    x = 10,382,975,107,211,812/121,630,437.80
  6. Step 6: Final answer
    x = 85,364,940.68

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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.