Home / 111,242,258.40-153,514,647.27-61,686,123.26

Finding the Fourth Proportional to 111,242,258.40, 153,514,647.27 and 61,686,123.26

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Solution

The fourth proportional to 111,242,258.40, 153,514,647.27 and 61,686,123.26 is: 85,127,033.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,242,258.40 : 153,514,647.27 = 61,686,123.26 : x
  2. Step 2: Convert to fraction form
    111,242,258.40/153,514,647.27 = 61,686,123.26/x
  3. Step 3: Cross multiply
    111,242,258.40x = 153,514,647.27 × 61,686,123.26
  4. Step 4: Simplify right side
    111,242,258.40x = 9,469,723,453,712,642
  5. Step 5: Solve for x
    x = 9,469,723,453,712,642/111,242,258.40
  6. Step 6: Final answer
    x = 85,127,033.47

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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.