Home / 52,653,472.80-78,885,730.80-45,095,200.80

Finding the Fourth Proportional to 52,653,472.80, 78,885,730.80 and 45,095,200.80

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Solution

The fourth proportional to 52,653,472.80, 78,885,730.80 and 45,095,200.80 is: 67,561,884.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,653,472.80 : 78,885,730.80 = 45,095,200.80 : x
  2. Step 2: Convert to fraction form
    52,653,472.80/78,885,730.80 = 45,095,200.80/x
  3. Step 3: Cross multiply
    52,653,472.80x = 78,885,730.80 × 45,095,200.80
  4. Step 4: Simplify right side
    52,653,472.80x = 3,557,367,870,680,744.50
  5. Step 5: Solve for x
    x = 3,557,367,870,680,744.50/52,653,472.80
  6. Step 6: Final answer
    x = 67,561,884.93

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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.