Home / 42,679,162.72-58,897,240.40-23,100,047.84

Finding the Fourth Proportional to 42,679,162.72, 58,897,240.40 and 23,100,047.84

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Solution

The fourth proportional to 42,679,162.72, 58,897,240.40 and 23,100,047.84 is: 31,878,063.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,679,162.72 : 58,897,240.40 = 23,100,047.84 : x
  2. Step 2: Convert to fraction form
    42,679,162.72/58,897,240.40 = 23,100,047.84/x
  3. Step 3: Cross multiply
    42,679,162.72x = 58,897,240.40 × 23,100,047.84
  4. Step 4: Simplify right side
    42,679,162.72x = 1,360,529,070,883,980.75
  5. Step 5: Solve for x
    x = 1,360,529,070,883,980.75/42,679,162.72
  6. Step 6: Final answer
    x = 31,878,063.77

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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.