Home / 48,556,901.70-72,835,352.55-12,655,109.70

Finding the Fourth Proportional to 48,556,901.70, 72,835,352.55 and 12,655,109.70

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Solution

The fourth proportional to 48,556,901.70, 72,835,352.55 and 12,655,109.70 is: 18,982,664.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,556,901.70 : 72,835,352.55 = 12,655,109.70 : x
  2. Step 2: Convert to fraction form
    48,556,901.70/72,835,352.55 = 12,655,109.70/x
  3. Step 3: Cross multiply
    48,556,901.70x = 72,835,352.55 × 12,655,109.70
  4. Step 4: Simplify right side
    48,556,901.70x = 921,739,376,558,424.62
  5. Step 5: Solve for x
    x = 921,739,376,558,424.62/48,556,901.70
  6. Step 6: Final answer
    x = 18,982,664.55

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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.