Home / 156,759,371.80-235,007,525.86-69,306,769.40

Finding the Fourth Proportional to 156,759,371.80, 235,007,525.86 and 69,306,769.40

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Solution

The fourth proportional to 156,759,371.80, 235,007,525.86 and 69,306,769.40 is: 103,902,000.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,759,371.80 : 235,007,525.86 = 69,306,769.40 : x
  2. Step 2: Convert to fraction form
    156,759,371.80/235,007,525.86 = 69,306,769.40/x
  3. Step 3: Cross multiply
    156,759,371.80x = 235,007,525.86 × 69,306,769.40
  4. Step 4: Simplify right side
    156,759,371.80x = 16,287,612,402,043,560
  5. Step 5: Solve for x
    x = 16,287,612,402,043,560/156,759,371.80
  6. Step 6: Final answer
    x = 103,902,000.98

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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.