Home / 98,356,156.40-147,534,234.60-79,224,280.40

Finding the Fourth Proportional to 98,356,156.40, 147,534,234.60 and 79,224,280.40

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Solution

The fourth proportional to 98,356,156.40, 147,534,234.60 and 79,224,280.40 is: 118,836,420.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,356,156.40 : 147,534,234.60 = 79,224,280.40 : x
  2. Step 2: Convert to fraction form
    98,356,156.40/147,534,234.60 = 79,224,280.40/x
  3. Step 3: Cross multiply
    98,356,156.40x = 147,534,234.60 × 79,224,280.40
  4. Step 4: Simplify right side
    98,356,156.40x = 11,688,293,570,549,782
  5. Step 5: Solve for x
    x = 11,688,293,570,549,782/98,356,156.40
  6. Step 6: Final answer
    x = 118,836,420.60

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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.