Home / 99,854,413.60-149,781,620.40-42,336,896.80

Finding the Fourth Proportional to 99,854,413.60, 149,781,620.40 and 42,336,896.80

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Solution

The fourth proportional to 99,854,413.60, 149,781,620.40 and 42,336,896.80 is: 63,505,345.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,854,413.60 : 149,781,620.40 = 42,336,896.80 : x
  2. Step 2: Convert to fraction form
    99,854,413.60/149,781,620.40 = 42,336,896.80/x
  3. Step 3: Cross multiply
    99,854,413.60x = 149,781,620.40 × 42,336,896.80
  4. Step 4: Simplify right side
    99,854,413.60x = 6,341,289,005,411,575
  5. Step 5: Solve for x
    x = 6,341,289,005,411,575/99,854,413.60
  6. Step 6: Final answer
    x = 63,505,345.20

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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.