Home / 79,198,522.32-118,798,308.36-30,681,764.40

Finding the Fourth Proportional to 79,198,522.32, 118,798,308.36 and 30,681,764.40

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Solution

The fourth proportional to 79,198,522.32, 118,798,308.36 and 30,681,764.40 is: 46,022,849.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,198,522.32 : 118,798,308.36 = 30,681,764.40 : x
  2. Step 2: Convert to fraction form
    79,198,522.32/118,798,308.36 = 30,681,764.40/x
  3. Step 3: Cross multiply
    79,198,522.32x = 118,798,308.36 × 30,681,764.40
  4. Step 4: Simplify right side
    79,198,522.32x = 3,644,941,708,220,070
  5. Step 5: Solve for x
    x = 3,644,941,708,220,070/79,198,522.32
  6. Step 6: Final answer
    x = 46,022,849.94

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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.