Home / 147,126,873.96-203,004,022.50-85,243,444.20

Finding the Fourth Proportional to 147,126,873.96, 203,004,022.50 and 85,243,444.20

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Solution

The fourth proportional to 147,126,873.96, 203,004,022.50 and 85,243,444.20 is: 117,617,955.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,126,873.96 : 203,004,022.50 = 85,243,444.20 : x
  2. Step 2: Convert to fraction form
    147,126,873.96/203,004,022.50 = 85,243,444.20/x
  3. Step 3: Cross multiply
    147,126,873.96x = 203,004,022.50 × 85,243,444.20
  4. Step 4: Simplify right side
    147,126,873.96x = 17,304,762,064,354,296
  5. Step 5: Solve for x
    x = 17,304,762,064,354,296/147,126,873.96
  6. Step 6: Final answer
    x = 117,617,955.16

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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.