Home / 103,101,280.92-142,284,875.22-63,955,670.36

Finding the Fourth Proportional to 103,101,280.92, 142,284,875.22 and 63,955,670.36

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Solution

The fourth proportional to 103,101,280.92, 142,284,875.22 and 63,955,670.36 is: 88,261,993.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,101,280.92 : 142,284,875.22 = 63,955,670.36 : x
  2. Step 2: Convert to fraction form
    103,101,280.92/142,284,875.22 = 63,955,670.36/x
  3. Step 3: Cross multiply
    103,101,280.92x = 142,284,875.22 × 63,955,670.36
  4. Step 4: Simplify right side
    103,101,280.92x = 9,099,924,576,072,628
  5. Step 5: Solve for x
    x = 9,099,924,576,072,628/103,101,280.92
  6. Step 6: Final answer
    x = 88,261,993.40

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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.