Home / 57,126,264.93-78,833,961.59-31,020,551.37

Finding the Fourth Proportional to 57,126,264.93, 78,833,961.59 and 31,020,551.37

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Solution

The fourth proportional to 57,126,264.93, 78,833,961.59 and 31,020,551.37 is: 42,808,206.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,126,264.93 : 78,833,961.59 = 31,020,551.37 : x
  2. Step 2: Convert to fraction form
    57,126,264.93/78,833,961.59 = 31,020,551.37/x
  3. Step 3: Cross multiply
    57,126,264.93x = 78,833,961.59 × 31,020,551.37
  4. Step 4: Simplify right side
    57,126,264.93x = 2,445,472,955,048,099
  5. Step 5: Solve for x
    x = 2,445,472,955,048,099/57,126,264.93
  6. Step 6: Final answer
    x = 42,808,206.66

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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.