Home / 251,502,866.79-377,310,566.03-76,639,586.30

Finding the Fourth Proportional to 251,502,866.79, 377,310,566.03 and 76,639,586.30

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Solution

The fourth proportional to 251,502,866.79, 377,310,566.03 and 76,639,586.30 is: 114,976,525.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,502,866.79 : 377,310,566.03 = 76,639,586.30 : x
  2. Step 2: Convert to fraction form
    251,502,866.79/377,310,566.03 = 76,639,586.30/x
  3. Step 3: Cross multiply
    251,502,866.79x = 377,310,566.03 × 76,639,586.30
  4. Step 4: Simplify right side
    251,502,866.79x = 28,916,925,684,888,280
  5. Step 5: Solve for x
    x = 28,916,925,684,888,280/251,502,866.79
  6. Step 6: Final answer
    x = 114,976,525.13

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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.