Home / 99,560,413.80-149,361,615.90-42,023,068.20

Finding the Fourth Proportional to 99,560,413.80, 149,361,615.90 and 42,023,068.20

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Solution

The fourth proportional to 99,560,413.80, 149,361,615.90 and 42,023,068.20 is: 63,043,464.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,560,413.80 : 149,361,615.90 = 42,023,068.20 : x
  2. Step 2: Convert to fraction form
    99,560,413.80/149,361,615.90 = 42,023,068.20/x
  3. Step 3: Cross multiply
    99,560,413.80x = 149,361,615.90 × 42,023,068.20
  4. Step 4: Simplify right side
    99,560,413.80x = 6,276,633,371,427,905
  5. Step 5: Solve for x
    x = 6,276,633,371,427,905/99,560,413.80
  6. Step 6: Final answer
    x = 63,043,464.08

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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.