Home / 56,955,391.85-78,598,443.38-30,849,909.63

Finding the Fourth Proportional to 56,955,391.85, 78,598,443.38 and 30,849,909.63

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Solution

The fourth proportional to 56,955,391.85, 78,598,443.38 and 30,849,909.63 is: 42,572,876.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,955,391.85 : 78,598,443.38 = 30,849,909.63 : x
  2. Step 2: Convert to fraction form
    56,955,391.85/78,598,443.38 = 30,849,909.63/x
  3. Step 3: Cross multiply
    56,955,391.85x = 78,598,443.38 × 30,849,909.63
  4. Step 4: Simplify right side
    56,955,391.85x = 2,424,754,875,177,422
  5. Step 5: Solve for x
    x = 2,424,754,875,177,422/56,955,391.85
  6. Step 6: Final answer
    x = 42,572,876.71

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1.5x scale

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.