Home / 231,970,065-320,110,495.56-127,547,405.16

Finding the Fourth Proportional to 231,970,065, 320,110,495.56 and 127,547,405.16

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Solution

The fourth proportional to 231,970,065, 320,110,495.56 and 127,547,405.16 is: 176,010,913.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,970,065 : 320,110,495.56 = 127,547,405.16 : x
  2. Step 2: Convert to fraction form
    231,970,065/320,110,495.56 = 127,547,405.16/x
  3. Step 3: Cross multiply
    231,970,065x = 320,110,495.56 × 127,547,405.16
  4. Step 4: Simplify right side
    231,970,065x = 40,829,263,073,159,704
  5. Step 5: Solve for x
    x = 40,829,263,073,159,704/231,970,065
  6. Step 6: Final answer
    x = 176,010,913.62

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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.