Home / 74,885,413.20-112,160,158.20-61,448,485.20

Finding the Fourth Proportional to 74,885,413.20, 112,160,158.20 and 61,448,485.20

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Solution

The fourth proportional to 74,885,413.20, 112,160,158.20 and 61,448,485.20 is: 92,034,904.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,885,413.20 : 112,160,158.20 = 61,448,485.20 : x
  2. Step 2: Convert to fraction form
    74,885,413.20/112,160,158.20 = 61,448,485.20/x
  3. Step 3: Cross multiply
    74,885,413.20x = 112,160,158.20 × 61,448,485.20
  4. Step 4: Simplify right side
    74,885,413.20x = 6,892,071,821,182,359
  5. Step 5: Solve for x
    x = 6,892,071,821,182,359/74,885,413.20
  6. Step 6: Final answer
    x = 92,034,904.08

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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.