Home / 99,359,832.60-149,039,748.90-31,209,413.40

Finding the Fourth Proportional to 99,359,832.60, 149,039,748.90 and 31,209,413.40

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Solution

The fourth proportional to 99,359,832.60, 149,039,748.90 and 31,209,413.40 is: 46,814,120.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,359,832.60 : 149,039,748.90 = 31,209,413.40 : x
  2. Step 2: Convert to fraction form
    99,359,832.60/149,039,748.90 = 31,209,413.40/x
  3. Step 3: Cross multiply
    99,359,832.60x = 149,039,748.90 × 31,209,413.40
  4. Step 4: Simplify right side
    99,359,832.60x = 4,651,443,136,452,295
  5. Step 5: Solve for x
    x = 4,651,443,136,452,295/99,359,832.60
  6. Step 6: Final answer
    x = 46,814,120.10

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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.