Home / 117,845,803.32-162,632,276.70-65,634,862.20

Finding the Fourth Proportional to 117,845,803.32, 162,632,276.70 and 65,634,862.20

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Solution

The fourth proportional to 117,845,803.32, 162,632,276.70 and 65,634,862.20 is: 90,578,932.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,845,803.32 : 162,632,276.70 = 65,634,862.20 : x
  2. Step 2: Convert to fraction form
    117,845,803.32/162,632,276.70 = 65,634,862.20/x
  3. Step 3: Cross multiply
    117,845,803.32x = 162,632,276.70 × 65,634,862.20
  4. Step 4: Simplify right side
    117,845,803.32x = 10,674,347,070,476,770
  5. Step 5: Solve for x
    x = 10,674,347,070,476,770/117,845,803.32
  6. Step 6: Final answer
    x = 90,578,932.55

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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.