Home / 112,010,807.70-167,680,288.35-66,549,201.30

Finding the Fourth Proportional to 112,010,807.70, 167,680,288.35 and 66,549,201.30

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Solution

The fourth proportional to 112,010,807.70, 167,680,288.35 and 66,549,201.30 is: 99,624,219.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,010,807.70 : 167,680,288.35 = 66,549,201.30 : x
  2. Step 2: Convert to fraction form
    112,010,807.70/167,680,288.35 = 66,549,201.30/x
  3. Step 3: Cross multiply
    112,010,807.70x = 167,680,288.35 × 66,549,201.30
  4. Step 4: Simplify right side
    112,010,807.70x = 11,158,989,263,446,194
  5. Step 5: Solve for x
    x = 11,158,989,263,446,194/112,010,807.70
  6. Step 6: Final answer
    x = 99,624,219.24

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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.