Home / 45,398,413.60-68,097,620.40-42,744,205.60

Finding the Fourth Proportional to 45,398,413.60, 68,097,620.40 and 42,744,205.60

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Solution

The fourth proportional to 45,398,413.60, 68,097,620.40 and 42,744,205.60 is: 64,116,308.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,398,413.60 : 68,097,620.40 = 42,744,205.60 : x
  2. Step 2: Convert to fraction form
    45,398,413.60/68,097,620.40 = 42,744,205.60/x
  3. Step 3: Cross multiply
    45,398,413.60x = 68,097,620.40 × 42,744,205.60
  4. Step 4: Simplify right side
    45,398,413.60x = 2,910,778,687,248,354.50
  5. Step 5: Solve for x
    x = 2,910,778,687,248,354.50/45,398,413.60
  6. Step 6: Final answer
    x = 64,116,308.40

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Similar ratio
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1.5x scale

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.