Home / 319,126,413.60-478,689,620.40-124,973,301.60

Finding the Fourth Proportional to 319,126,413.60, 478,689,620.40 and 124,973,301.60

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Solution

The fourth proportional to 319,126,413.60, 478,689,620.40 and 124,973,301.60 is: 187,459,952.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,126,413.60 : 478,689,620.40 = 124,973,301.60 : x
  2. Step 2: Convert to fraction form
    319,126,413.60/478,689,620.40 = 124,973,301.60/x
  3. Step 3: Cross multiply
    319,126,413.60x = 478,689,620.40 × 124,973,301.60
  4. Step 4: Simplify right side
    319,126,413.60x = 59,823,422,303,038,704
  5. Step 5: Solve for x
    x = 59,823,422,303,038,704/319,126,413.60
  6. Step 6: Final answer
    x = 187,459,952.40

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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.