Home / 99,108,878.37-136,774,130.49-67,812,568.02

Finding the Fourth Proportional to 99,108,878.37, 136,774,130.49 and 67,812,568.02

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Solution

The fourth proportional to 99,108,878.37, 136,774,130.49 and 67,812,568.02 is: 93,583,997.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,108,878.37 : 136,774,130.49 = 67,812,568.02 : x
  2. Step 2: Convert to fraction form
    99,108,878.37/136,774,130.49 = 67,812,568.02/x
  3. Step 3: Cross multiply
    99,108,878.37x = 136,774,130.49 × 67,812,568.02
  4. Step 4: Simplify right side
    99,108,878.37x = 9,275,005,027,423,536
  5. Step 5: Solve for x
    x = 9,275,005,027,423,536/99,108,878.37
  6. Step 6: Final answer
    x = 93,583,997.51

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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.