Home / 111,915,032.70-167,872,549.05-66,453,426.30

Finding the Fourth Proportional to 111,915,032.70, 167,872,549.05 and 66,453,426.30

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Solution

The fourth proportional to 111,915,032.70, 167,872,549.05 and 66,453,426.30 is: 99,680,139.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,915,032.70 : 167,872,549.05 = 66,453,426.30 : x
  2. Step 2: Convert to fraction form
    111,915,032.70/167,872,549.05 = 66,453,426.30/x
  3. Step 3: Cross multiply
    111,915,032.70x = 167,872,549.05 × 66,453,426.30
  4. Step 4: Simplify right side
    111,915,032.70x = 11,155,706,066,087,310
  5. Step 5: Solve for x
    x = 11,155,706,066,087,310/111,915,032.70
  6. Step 6: Final answer
    x = 99,680,139.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.