Home / 257,460,205.70-385,891,710.15-104,005,511.30

Finding the Fourth Proportional to 257,460,205.70, 385,891,710.15 and 104,005,511.30

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Solution

The fourth proportional to 257,460,205.70, 385,891,710.15 and 104,005,511.30 is: 155,887,642.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,460,205.70 : 385,891,710.15 = 104,005,511.30 : x
  2. Step 2: Convert to fraction form
    257,460,205.70/385,891,710.15 = 104,005,511.30/x
  3. Step 3: Cross multiply
    257,460,205.70x = 385,891,710.15 × 104,005,511.30
  4. Step 4: Simplify right side
    257,460,205.70x = 40,134,864,620,582,144
  5. Step 5: Solve for x
    x = 40,134,864,620,582,144/257,460,205.70
  6. Step 6: Final answer
    x = 155,887,642.95

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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.