Home / 86,231,541.74-118,697,482.42-75,198,826.58

Finding the Fourth Proportional to 86,231,541.74, 118,697,482.42 and 75,198,826.58

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Solution

The fourth proportional to 86,231,541.74, 118,697,482.42 and 75,198,826.58 is: 103,510,980.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,231,541.74 : 118,697,482.42 = 75,198,826.58 : x
  2. Step 2: Convert to fraction form
    86,231,541.74/118,697,482.42 = 75,198,826.58/x
  3. Step 3: Cross multiply
    86,231,541.74x = 118,697,482.42 × 75,198,826.58
  4. Step 4: Simplify right side
    86,231,541.74x = 8,925,911,395,202,695
  5. Step 5: Solve for x
    x = 8,925,911,395,202,695/86,231,541.74
  6. Step 6: Final answer
    x = 103,510,980.04

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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.