Home / 156,759,357.78-235,007,504.91-69,306,755.40

Finding the Fourth Proportional to 156,759,357.78, 235,007,504.91 and 69,306,755.40

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Solution

The fourth proportional to 156,759,357.78, 235,007,504.91 and 69,306,755.40 is: 103,901,980.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,759,357.78 : 235,007,504.91 = 69,306,755.40 : x
  2. Step 2: Convert to fraction form
    156,759,357.78/235,007,504.91 = 69,306,755.40/x
  3. Step 3: Cross multiply
    156,759,357.78x = 235,007,504.91 × 69,306,755.40
  4. Step 4: Simplify right side
    156,759,357.78x = 16,287,607,659,961,670
  5. Step 5: Solve for x
    x = 16,287,607,659,961,670/156,759,357.78
  6. Step 6: Final answer
    x = 103,901,980.02

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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.