Home / 83,038,413.20-124,557,619.80-48,459,318.80

Finding the Fourth Proportional to 83,038,413.20, 124,557,619.80 and 48,459,318.80

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Solution

The fourth proportional to 83,038,413.20, 124,557,619.80 and 48,459,318.80 is: 72,688,978.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,038,413.20 : 124,557,619.80 = 48,459,318.80 : x
  2. Step 2: Convert to fraction form
    83,038,413.20/124,557,619.80 = 48,459,318.80/x
  3. Step 3: Cross multiply
    83,038,413.20x = 124,557,619.80 × 48,459,318.80
  4. Step 4: Simplify right side
    83,038,413.20x = 6,035,977,406,857,392
  5. Step 5: Solve for x
    x = 6,035,977,406,857,392/83,038,413.20
  6. Step 6: Final answer
    x = 72,688,978.20

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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.