Home / 98,360,146.56-135,824,363.28-61,254,143.76

Finding the Fourth Proportional to 98,360,146.56, 135,824,363.28 and 61,254,143.76

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Solution

The fourth proportional to 98,360,146.56, 135,824,363.28 and 61,254,143.76 is: 84,585,122.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,360,146.56 : 135,824,363.28 = 61,254,143.76 : x
  2. Step 2: Convert to fraction form
    98,360,146.56/135,824,363.28 = 61,254,143.76/x
  3. Step 3: Cross multiply
    98,360,146.56x = 135,824,363.28 × 61,254,143.76
  4. Step 4: Simplify right side
    98,360,146.56x = 8,319,805,074,463,585
  5. Step 5: Solve for x
    x = 8,319,805,074,463,585/98,360,146.56
  6. Step 6: Final answer
    x = 84,585,122.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.