Home / 313,201,043.52-432,119,929.28-180,993,875.52

Finding the Fourth Proportional to 313,201,043.52, 432,119,929.28 and 180,993,875.52

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Solution

The fourth proportional to 313,201,043.52, 432,119,929.28 and 180,993,875.52 is: 249,715,198.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,201,043.52 : 432,119,929.28 = 180,993,875.52 : x
  2. Step 2: Convert to fraction form
    313,201,043.52/432,119,929.28 = 180,993,875.52/x
  3. Step 3: Cross multiply
    313,201,043.52x = 432,119,929.28 × 180,993,875.52
  4. Step 4: Simplify right side
    313,201,043.52x = 78,211,060,689,815,520
  5. Step 5: Solve for x
    x = 78,211,060,689,815,520/313,201,043.52
  6. Step 6: Final answer
    x = 249,715,198.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.