Home / 96,228,643.20-144,342,964.80-78,088,790.40

Finding the Fourth Proportional to 96,228,643.20, 144,342,964.80 and 78,088,790.40

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Solution

The fourth proportional to 96,228,643.20, 144,342,964.80 and 78,088,790.40 is: 117,133,185.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,228,643.20 : 144,342,964.80 = 78,088,790.40 : x
  2. Step 2: Convert to fraction form
    96,228,643.20/144,342,964.80 = 78,088,790.40/x
  3. Step 3: Cross multiply
    96,228,643.20x = 144,342,964.80 × 78,088,790.40
  4. Step 4: Simplify right side
    96,228,643.20x = 11,271,567,523,981,780
  5. Step 5: Solve for x
    x = 11,271,567,523,981,780/96,228,643.20
  6. Step 6: Final answer
    x = 117,133,185.60

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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.