Home / 42,038,040.40-63,057,060.60-37,786,512.40

Finding the Fourth Proportional to 42,038,040.40, 63,057,060.60 and 37,786,512.40

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Solution

The fourth proportional to 42,038,040.40, 63,057,060.60 and 37,786,512.40 is: 56,679,768.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,038,040.40 : 63,057,060.60 = 37,786,512.40 : x
  2. Step 2: Convert to fraction form
    42,038,040.40/63,057,060.60 = 37,786,512.40/x
  3. Step 3: Cross multiply
    42,038,040.40x = 63,057,060.60 × 37,786,512.40
  4. Step 4: Simplify right side
    42,038,040.40x = 2,382,706,402,269,451.50
  5. Step 5: Solve for x
    x = 2,382,706,402,269,451.50/42,038,040.40
  6. Step 6: Final answer
    x = 56,679,768.60

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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.