Home / 160,175,345.40-240,263,018.10-87,363,991.80

Finding the Fourth Proportional to 160,175,345.40, 240,263,018.10 and 87,363,991.80

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Solution

The fourth proportional to 160,175,345.40, 240,263,018.10 and 87,363,991.80 is: 131,045,987.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,175,345.40 : 240,263,018.10 = 87,363,991.80 : x
  2. Step 2: Convert to fraction form
    160,175,345.40/240,263,018.10 = 87,363,991.80/x
  3. Step 3: Cross multiply
    160,175,345.40x = 240,263,018.10 × 87,363,991.80
  4. Step 4: Simplify right side
    160,175,345.40x = 20,990,336,343,131,652
  5. Step 5: Solve for x
    x = 20,990,336,343,131,652/160,175,345.40
  6. Step 6: Final answer
    x = 131,045,987.70

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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.