Home / 111,148,584.31-153,388,409.38-61,584,320.71

Finding the Fourth Proportional to 111,148,584.31, 153,388,409.38 and 61,584,320.71

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Solution

The fourth proportional to 111,148,584.31, 153,388,409.38 and 61,584,320.71 is: 84,988,225.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,148,584.31 : 153,388,409.38 = 61,584,320.71 : x
  2. Step 2: Convert to fraction form
    111,148,584.31/153,388,409.38 = 61,584,320.71/x
  3. Step 3: Cross multiply
    111,148,584.31x = 153,388,409.38 × 61,584,320.71
  4. Step 4: Simplify right side
    111,148,584.31x = 9,446,320,996,979,214
  5. Step 5: Solve for x
    x = 9,446,320,996,979,214/111,148,584.31
  6. Step 6: Final answer
    x = 84,988,225.94

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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.