Home / 79,186,825.80-118,780,238.70-48,911,747.40

Finding the Fourth Proportional to 79,186,825.80, 118,780,238.70 and 48,911,747.40

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Solution

The fourth proportional to 79,186,825.80, 118,780,238.70 and 48,911,747.40 is: 73,367,621.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,186,825.80 : 118,780,238.70 = 48,911,747.40 : x
  2. Step 2: Convert to fraction form
    79,186,825.80/118,780,238.70 = 48,911,747.40/x
  3. Step 3: Cross multiply
    79,186,825.80x = 118,780,238.70 × 48,911,747.40
  4. Step 4: Simplify right side
    79,186,825.80x = 5,809,749,031,406,104
  5. Step 5: Solve for x
    x = 5,809,749,031,406,104/79,186,825.80
  6. Step 6: Final answer
    x = 73,367,621.10

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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.