Home / 165,121,314.30-247,681,971.45-88,593,810.30

Finding the Fourth Proportional to 165,121,314.30, 247,681,971.45 and 88,593,810.30

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Solution

The fourth proportional to 165,121,314.30, 247,681,971.45 and 88,593,810.30 is: 132,890,715.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,121,314.30 : 247,681,971.45 = 88,593,810.30 : x
  2. Step 2: Convert to fraction form
    165,121,314.30/247,681,971.45 = 88,593,810.30/x
  3. Step 3: Cross multiply
    165,121,314.30x = 247,681,971.45 × 88,593,810.30
  4. Step 4: Simplify right side
    165,121,314.30x = 21,943,089,593,371,316
  5. Step 5: Solve for x
    x = 21,943,089,593,371,316/165,121,314.30
  6. Step 6: Final answer
    x = 132,890,715.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.