Home / 103,101,301.23-142,284,903.28-63,955,690.69

Finding the Fourth Proportional to 103,101,301.23, 142,284,903.28 and 63,955,690.69

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Solution

The fourth proportional to 103,101,301.23, 142,284,903.28 and 63,955,690.69 is: 88,262,021.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,101,301.23 : 142,284,903.28 = 63,955,690.69 : x
  2. Step 2: Convert to fraction form
    103,101,301.23/142,284,903.28 = 63,955,690.69/x
  3. Step 3: Cross multiply
    103,101,301.23x = 142,284,903.28 × 63,955,690.69
  4. Step 4: Simplify right side
    103,101,301.23x = 9,099,929,263,712,468
  5. Step 5: Solve for x
    x = 9,099,929,263,712,468/103,101,301.23
  6. Step 6: Final answer
    x = 88,262,021.48

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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.