Home / 111,915,044.70-167,872,567.05-66,453,438.30

Finding the Fourth Proportional to 111,915,044.70, 167,872,567.05 and 66,453,438.30

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Solution

The fourth proportional to 111,915,044.70, 167,872,567.05 and 66,453,438.30 is: 99,680,157.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,915,044.70 : 167,872,567.05 = 66,453,438.30 : x
  2. Step 2: Convert to fraction form
    111,915,044.70/167,872,567.05 = 66,453,438.30/x
  3. Step 3: Cross multiply
    111,915,044.70x = 167,872,567.05 × 66,453,438.30
  4. Step 4: Simplify right side
    111,915,044.70x = 11,155,709,276,719,788
  5. Step 5: Solve for x
    x = 11,155,709,276,719,788/111,915,044.70
  6. Step 6: Final answer
    x = 99,680,157.45

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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.