Home / 257,460,285.20-385,891,829.40-104,005,590.80

Finding the Fourth Proportional to 257,460,285.20, 385,891,829.40 and 104,005,590.80

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Solution

The fourth proportional to 257,460,285.20, 385,891,829.40 and 104,005,590.80 is: 155,887,762.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,460,285.20 : 385,891,829.40 = 104,005,590.80 : x
  2. Step 2: Convert to fraction form
    257,460,285.20/385,891,829.40 = 104,005,590.80/x
  3. Step 3: Cross multiply
    257,460,285.20x = 385,891,829.40 × 104,005,590.80
  4. Step 4: Simplify right side
    257,460,285.20x = 40,134,907,701,639,808
  5. Step 5: Solve for x
    x = 40,134,907,701,639,808/257,460,285.20
  6. Step 6: Final answer
    x = 155,887,762.15

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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.