Home / 76,625,009.40-114,937,514.10-53,666,758.20

Finding the Fourth Proportional to 76,625,009.40, 114,937,514.10 and 53,666,758.20

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Solution

The fourth proportional to 76,625,009.40, 114,937,514.10 and 53,666,758.20 is: 80,500,137.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,625,009.40 : 114,937,514.10 = 53,666,758.20 : x
  2. Step 2: Convert to fraction form
    76,625,009.40/114,937,514.10 = 53,666,758.20/x
  3. Step 3: Cross multiply
    76,625,009.40x = 114,937,514.10 × 53,666,758.20
  4. Step 4: Simplify right side
    76,625,009.40x = 6,168,323,777,313,791
  5. Step 5: Solve for x
    x = 6,168,323,777,313,791/76,625,009.40
  6. Step 6: Final answer
    x = 80,500,137.30

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1.5x scale

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.