Home / 107,818,261.72-148,861,021.36-63,779,408.16

Finding the Fourth Proportional to 107,818,261.72, 148,861,021.36 and 63,779,408.16

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Solution

The fourth proportional to 107,818,261.72, 148,861,021.36 and 63,779,408.16 is: 88,058,068.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,818,261.72 : 148,861,021.36 = 63,779,408.16 : x
  2. Step 2: Convert to fraction form
    107,818,261.72/148,861,021.36 = 63,779,408.16/x
  3. Step 3: Cross multiply
    107,818,261.72x = 148,861,021.36 × 63,779,408.16
  4. Step 4: Simplify right side
    107,818,261.72x = 9,494,267,840,433,918
  5. Step 5: Solve for x
    x = 9,494,267,840,433,918/107,818,261.72
  6. Step 6: Final answer
    x = 88,058,068.17

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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.