Home / 124,992,875.74-172,549,981.32-83,246,413.72

Finding the Fourth Proportional to 124,992,875.74, 172,549,981.32 and 83,246,413.72

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Solution

The fourth proportional to 124,992,875.74, 172,549,981.32 and 83,246,413.72 is: 114,919,886.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,992,875.74 : 172,549,981.32 = 83,246,413.72 : x
  2. Step 2: Convert to fraction form
    124,992,875.74/172,549,981.32 = 83,246,413.72/x
  3. Step 3: Cross multiply
    124,992,875.74x = 172,549,981.32 × 83,246,413.72
  4. Step 4: Simplify right side
    124,992,875.74x = 14,364,167,132,342,990
  5. Step 5: Solve for x
    x = 14,364,167,132,342,990/124,992,875.74
  6. Step 6: Final answer
    x = 114,919,886.81

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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.