Home / 86,937,752.80-130,406,629.20-41,588,120.80

Finding the Fourth Proportional to 86,937,752.80, 130,406,629.20 and 41,588,120.80

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Solution

The fourth proportional to 86,937,752.80, 130,406,629.20 and 41,588,120.80 is: 62,382,181.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,937,752.80 : 130,406,629.20 = 41,588,120.80 : x
  2. Step 2: Convert to fraction form
    86,937,752.80/130,406,629.20 = 41,588,120.80/x
  3. Step 3: Cross multiply
    86,937,752.80x = 130,406,629.20 × 41,588,120.80
  4. Step 4: Simplify right side
    86,937,752.80x = 5,423,366,648,290,407
  5. Step 5: Solve for x
    x = 5,423,366,648,290,407/86,937,752.80
  6. Step 6: Final answer
    x = 62,382,181.20

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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.