Home / 84,498,908.40-126,748,362.60-65,367,032.40

Finding the Fourth Proportional to 84,498,908.40, 126,748,362.60 and 65,367,032.40

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Solution

The fourth proportional to 84,498,908.40, 126,748,362.60 and 65,367,032.40 is: 98,050,548.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,498,908.40 : 126,748,362.60 = 65,367,032.40 : x
  2. Step 2: Convert to fraction form
    84,498,908.40/126,748,362.60 = 65,367,032.40/x
  3. Step 3: Cross multiply
    84,498,908.40x = 126,748,362.60 × 65,367,032.40
  4. Step 4: Simplify right side
    84,498,908.40x = 8,285,164,324,721,148
  5. Step 5: Solve for x
    x = 8,285,164,324,721,148/84,498,908.40
  6. Step 6: Final answer
    x = 98,050,548.60

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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.