Home / 156,759,366.78-235,007,518.38-69,306,764.40

Finding the Fourth Proportional to 156,759,366.78, 235,007,518.38 and 69,306,764.40

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Solution

The fourth proportional to 156,759,366.78, 235,007,518.38 and 69,306,764.40 is: 103,901,993.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,759,366.78 : 235,007,518.38 = 69,306,764.40 : x
  2. Step 2: Convert to fraction form
    156,759,366.78/235,007,518.38 = 69,306,764.40/x
  3. Step 3: Cross multiply
    156,759,366.78x = 235,007,518.38 × 69,306,764.40
  4. Step 4: Simplify right side
    156,759,366.78x = 16,287,610,708,591,330
  5. Step 5: Solve for x
    x = 16,287,610,708,591,330/156,759,366.78
  6. Step 6: Final answer
    x = 103,901,993.50

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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.