Home / 314,928,000.90-472,168,052.55-120,764,391.30

Finding the Fourth Proportional to 314,928,000.90, 472,168,052.55 and 120,764,391.30

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Solution

The fourth proportional to 314,928,000.90, 472,168,052.55 and 120,764,391.30 is: 181,060,710.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,000.90 : 472,168,052.55 = 120,764,391.30 : x
  2. Step 2: Convert to fraction form
    314,928,000.90/472,168,052.55 = 120,764,391.30/x
  3. Step 3: Cross multiply
    314,928,000.90x = 472,168,052.55 × 120,764,391.30
  4. Step 4: Simplify right side
    314,928,000.90x = 57,021,087,457,507,160
  5. Step 5: Solve for x
    x = 57,021,087,457,507,160/314,928,000.90
  6. Step 6: Final answer
    x = 181,060,710.05

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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.