Home / 291,975,312.20-402,928,443.54-166,533,862.07

Finding the Fourth Proportional to 291,975,312.20, 402,928,443.54 and 166,533,862.07

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Solution

The fourth proportional to 291,975,312.20, 402,928,443.54 and 166,533,862.07 is: 229,818,162.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,975,312.20 : 402,928,443.54 = 166,533,862.07 : x
  2. Step 2: Convert to fraction form
    291,975,312.20/402,928,443.54 = 166,533,862.07/x
  3. Step 3: Cross multiply
    291,975,312.20x = 402,928,443.54 × 166,533,862.07
  4. Step 4: Simplify right side
    291,975,312.20x = 67,101,229,841,107,832
  5. Step 5: Solve for x
    x = 67,101,229,841,107,832/291,975,312.20
  6. Step 6: Final answer
    x = 229,818,162.83

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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.