Home / 87,850,897.98-131,590,963.53-70,485,079.02

Finding the Fourth Proportional to 87,850,897.98, 131,590,963.53 and 70,485,079.02

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Solution

The fourth proportional to 87,850,897.98, 131,590,963.53 and 70,485,079.02 is: 105,578,880.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,850,897.98 : 131,590,963.53 = 70,485,079.02 : x
  2. Step 2: Convert to fraction form
    87,850,897.98/131,590,963.53 = 70,485,079.02/x
  3. Step 3: Cross multiply
    87,850,897.98x = 131,590,963.53 × 70,485,079.02
  4. Step 4: Simplify right side
    87,850,897.98x = 9,275,199,462,729,988
  5. Step 5: Solve for x
    x = 9,275,199,462,729,988/87,850,897.98
  6. Step 6: Final answer
    x = 105,578,880.54

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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.