Home / 113,981,254.68-157,294,264.68-61,770,287.64

Finding the Fourth Proportional to 113,981,254.68, 157,294,264.68 and 61,770,287.64

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Solution

The fourth proportional to 113,981,254.68, 157,294,264.68 and 61,770,287.64 is: 85,243,069.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,981,254.68 : 157,294,264.68 = 61,770,287.64 : x
  2. Step 2: Convert to fraction form
    113,981,254.68/157,294,264.68 = 61,770,287.64/x
  3. Step 3: Cross multiply
    113,981,254.68x = 157,294,264.68 × 61,770,287.64
  4. Step 4: Simplify right side
    113,981,254.68x = 9,716,111,973,405,894
  5. Step 5: Solve for x
    x = 9,716,111,973,405,894/113,981,254.68
  6. Step 6: Final answer
    x = 85,243,069.14

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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.