Home / 72,453,695.60-108,680,543.40-49,778,879.60

Finding the Fourth Proportional to 72,453,695.60, 108,680,543.40 and 49,778,879.60

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Solution

The fourth proportional to 72,453,695.60, 108,680,543.40 and 49,778,879.60 is: 74,668,319.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,453,695.60 : 108,680,543.40 = 49,778,879.60 : x
  2. Step 2: Convert to fraction form
    72,453,695.60/108,680,543.40 = 49,778,879.60/x
  3. Step 3: Cross multiply
    72,453,695.60x = 108,680,543.40 × 49,778,879.60
  4. Step 4: Simplify right side
    72,453,695.60x = 5,409,995,684,771,175
  5. Step 5: Solve for x
    x = 5,409,995,684,771,175/72,453,695.60
  6. Step 6: Final answer
    x = 74,668,319.40

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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.