Home / 55,658,413.15-76,799,948.19-31,815,699.95

Finding the Fourth Proportional to 55,658,413.15, 76,799,948.19 and 31,815,699.95

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Solution

The fourth proportional to 55,658,413.15, 76,799,948.19 and 31,815,699.95 is: 43,900,714.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,658,413.15 : 76,799,948.19 = 31,815,699.95 : x
  2. Step 2: Convert to fraction form
    55,658,413.15/76,799,948.19 = 31,815,699.95/x
  3. Step 3: Cross multiply
    55,658,413.15x = 76,799,948.19 × 31,815,699.95
  4. Step 4: Simplify right side
    55,658,413.15x = 2,443,444,107,788,585.50
  5. Step 5: Solve for x
    x = 2,443,444,107,788,585.50/55,658,413.15
  6. Step 6: Final answer
    x = 43,900,714.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.