Home / 128,775,413.43-193,242,571.83-59,675,337.15

Finding the Fourth Proportional to 128,775,413.43, 193,242,571.83 and 59,675,337.15

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Solution

The fourth proportional to 128,775,413.43, 193,242,571.83 and 59,675,337.15 is: 89,549,824.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,775,413.43 : 193,242,571.83 = 59,675,337.15 : x
  2. Step 2: Convert to fraction form
    128,775,413.43/193,242,571.83 = 59,675,337.15/x
  3. Step 3: Cross multiply
    128,775,413.43x = 193,242,571.83 × 59,675,337.15
  4. Step 4: Simplify right side
    128,775,413.43x = 11,531,815,625,688,342
  5. Step 5: Solve for x
    x = 11,531,815,625,688,342/128,775,413.43
  6. Step 6: Final answer
    x = 89,549,824.14

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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.