Home / 105,514,704.60-158,272,056.90-87,374,851.80

Finding the Fourth Proportional to 105,514,704.60, 158,272,056.90 and 87,374,851.80

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Solution

The fourth proportional to 105,514,704.60, 158,272,056.90 and 87,374,851.80 is: 131,062,277.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,514,704.60 : 158,272,056.90 = 87,374,851.80 : x
  2. Step 2: Convert to fraction form
    105,514,704.60/158,272,056.90 = 87,374,851.80/x
  3. Step 3: Cross multiply
    105,514,704.60x = 158,272,056.90 × 87,374,851.80
  4. Step 4: Simplify right side
    105,514,704.60x = 13,828,997,515,718,668
  5. Step 5: Solve for x
    x = 13,828,997,515,718,668/105,514,704.60
  6. Step 6: Final answer
    x = 131,062,277.70

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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.