Home / 79,884,979.44-119,834,291.52-28,065,080.40

Finding the Fourth Proportional to 79,884,979.44, 119,834,291.52 and 28,065,080.40

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Solution

The fourth proportional to 79,884,979.44, 119,834,291.52 and 28,065,080.40 is: 42,100,017.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,884,979.44 : 119,834,291.52 = 28,065,080.40 : x
  2. Step 2: Convert to fraction form
    79,884,979.44/119,834,291.52 = 28,065,080.40/x
  3. Step 3: Cross multiply
    79,884,979.44x = 119,834,291.52 × 28,065,080.40
  4. Step 4: Simplify right side
    79,884,979.44x = 3,363,159,026,185,838
  5. Step 5: Solve for x
    x = 3,363,159,026,185,838/79,884,979.44
  6. Step 6: Final answer
    x = 42,100,017.42

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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.