Home / 84,498,925.40-126,748,388.10-65,367,049.40

Finding the Fourth Proportional to 84,498,925.40, 126,748,388.10 and 65,367,049.40

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Solution

The fourth proportional to 84,498,925.40, 126,748,388.10 and 65,367,049.40 is: 98,050,574.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,498,925.40 : 126,748,388.10 = 65,367,049.40 : x
  2. Step 2: Convert to fraction form
    84,498,925.40/126,748,388.10 = 65,367,049.40/x
  3. Step 3: Cross multiply
    84,498,925.40x = 126,748,388.10 × 65,367,049.40
  4. Step 4: Simplify right side
    84,498,925.40x = 8,285,168,146,303,072
  5. Step 5: Solve for x
    x = 8,285,168,146,303,072/84,498,925.40
  6. Step 6: Final answer
    x = 98,050,574.10

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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.