Home / 149,375,115-206,141,303.70-83,294,968.32

Finding the Fourth Proportional to 149,375,115, 206,141,303.70 and 83,294,968.32

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Solution

The fourth proportional to 149,375,115, 206,141,303.70 and 83,294,968.32 is: 114,949,088.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,375,115 : 206,141,303.70 = 83,294,968.32 : x
  2. Step 2: Convert to fraction form
    149,375,115/206,141,303.70 = 83,294,968.32/x
  3. Step 3: Cross multiply
    149,375,115x = 206,141,303.70 × 83,294,968.32
  4. Step 4: Simplify right side
    149,375,115x = 17,170,533,361,134,996
  5. Step 5: Solve for x
    x = 17,170,533,361,134,996/149,375,115
  6. Step 6: Final answer
    x = 114,949,088.82

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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.