Home / 156,069,961.20-233,852,999.40-98,459,132.40

Finding the Fourth Proportional to 156,069,961.20, 233,852,999.40 and 98,459,132.40

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Solution

The fourth proportional to 156,069,961.20, 233,852,999.40 and 98,459,132.40 is: 147,529,756.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,069,961.20 : 233,852,999.40 = 98,459,132.40 : x
  2. Step 2: Convert to fraction form
    156,069,961.20/233,852,999.40 = 98,459,132.40/x
  3. Step 3: Cross multiply
    156,069,961.20x = 233,852,999.40 × 98,459,132.40
  4. Step 4: Simplify right side
    156,069,961.20x = 23,024,963,430,061,724
  5. Step 5: Solve for x
    x = 23,024,963,430,061,724/156,069,961.20
  6. Step 6: Final answer
    x = 147,529,756.87

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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.