Home / 97,989,875.20-146,984,812.80-75,315,059.20

Finding the Fourth Proportional to 97,989,875.20, 146,984,812.80 and 75,315,059.20

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Solution

The fourth proportional to 97,989,875.20, 146,984,812.80 and 75,315,059.20 is: 112,972,588.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,989,875.20 : 146,984,812.80 = 75,315,059.20 : x
  2. Step 2: Convert to fraction form
    97,989,875.20/146,984,812.80 = 75,315,059.20/x
  3. Step 3: Cross multiply
    97,989,875.20x = 146,984,812.80 × 75,315,059.20
  4. Step 4: Simplify right side
    97,989,875.20x = 11,070,169,877,532,920
  5. Step 5: Solve for x
    x = 11,070,169,877,532,920/97,989,875.20
  6. Step 6: Final answer
    x = 112,972,588.80

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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.