Home / 84,370,047.03-126,486,965.66-77,559,921.76

Finding the Fourth Proportional to 84,370,047.03, 126,486,965.66 and 77,559,921.76

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Solution

The fourth proportional to 84,370,047.03, 126,486,965.66 and 77,559,921.76 is: 116,277,275.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,370,047.03 : 126,486,965.66 = 77,559,921.76 : x
  2. Step 2: Convert to fraction form
    84,370,047.03/126,486,965.66 = 77,559,921.76/x
  3. Step 3: Cross multiply
    84,370,047.03x = 126,486,965.66 × 77,559,921.76
  4. Step 4: Simplify right side
    84,370,047.03x = 9,810,319,159,861,608
  5. Step 5: Solve for x
    x = 9,810,319,159,861,608/84,370,047.03
  6. Step 6: Final answer
    x = 116,277,275.00

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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.