Home / 218,724,723.76-301,697,895.48-140,284,032.16

Finding the Fourth Proportional to 218,724,723.76, 301,697,895.48 and 140,284,032.16

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Solution

The fourth proportional to 218,724,723.76, 301,697,895.48 and 140,284,032.16 is: 193,500,746.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,724,723.76 : 301,697,895.48 = 140,284,032.16 : x
  2. Step 2: Convert to fraction form
    218,724,723.76/301,697,895.48 = 140,284,032.16/x
  3. Step 3: Cross multiply
    218,724,723.76x = 301,697,895.48 × 140,284,032.16
  4. Step 4: Simplify right side
    218,724,723.76x = 42,323,397,272,120,640
  5. Step 5: Solve for x
    x = 42,323,397,272,120,640/218,724,723.76
  6. Step 6: Final answer
    x = 193,500,746.26

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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.