Home / 65,009,118.08-89,712,561.24-35,639,820.06

Finding the Fourth Proportional to 65,009,118.08, 89,712,561.24 and 35,639,820.06

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Solution

The fourth proportional to 65,009,118.08, 89,712,561.24 and 35,639,820.06 is: 49,182,939.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,009,118.08 : 89,712,561.24 = 35,639,820.06 : x
  2. Step 2: Convert to fraction form
    65,009,118.08/89,712,561.24 = 35,639,820.06/x
  3. Step 3: Cross multiply
    65,009,118.08x = 89,712,561.24 × 35,639,820.06
  4. Step 4: Simplify right side
    65,009,118.08x = 3,197,339,539,715,330.50
  5. Step 5: Solve for x
    x = 3,197,339,539,715,330.50/65,009,118.08
  6. Step 6: Final answer
    x = 49,182,939.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.