Home / 56,955,383.57-78,598,431.98-30,849,901.38

Finding the Fourth Proportional to 56,955,383.57, 78,598,431.98 and 30,849,901.38

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Solution

The fourth proportional to 56,955,383.57, 78,598,431.98 and 30,849,901.38 is: 42,572,865.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,955,383.57 : 78,598,431.98 = 30,849,901.38 : x
  2. Step 2: Convert to fraction form
    56,955,383.57/78,598,431.98 = 30,849,901.38/x
  3. Step 3: Cross multiply
    56,955,383.57x = 78,598,431.98 × 30,849,901.38
  4. Step 4: Simplify right side
    56,955,383.57x = 2,424,753,875,167,076
  5. Step 5: Solve for x
    x = 2,424,753,875,167,076/56,955,383.57
  6. Step 6: Final answer
    x = 42,572,865.34

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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.