Home / 117,845,711.64-162,632,152.08-65,634,770.52

Finding the Fourth Proportional to 117,845,711.64, 162,632,152.08 and 65,634,770.52

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Solution

The fourth proportional to 117,845,711.64, 162,632,152.08 and 65,634,770.52 is: 90,578,807.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,845,711.64 : 162,632,152.08 = 65,634,770.52 : x
  2. Step 2: Convert to fraction form
    117,845,711.64/162,632,152.08 = 65,634,770.52/x
  3. Step 3: Cross multiply
    117,845,711.64x = 162,632,152.08 × 65,634,770.52
  4. Step 4: Simplify right side
    117,845,711.64x = 10,674,323,980,944,542
  5. Step 5: Solve for x
    x = 10,674,323,980,944,542/117,845,711.64
  6. Step 6: Final answer
    x = 90,578,807.09

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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.