Home / 147,109,500.41-203,011,109.80-85,265,711.24

Finding the Fourth Proportional to 147,109,500.41, 203,011,109.80 and 85,265,711.24

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Solution

The fourth proportional to 147,109,500.41, 203,011,109.80 and 85,265,711.24 is: 117,666,681.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,109,500.41 : 203,011,109.80 = 85,265,711.24 : x
  2. Step 2: Convert to fraction form
    147,109,500.41/203,011,109.80 = 85,265,711.24/x
  3. Step 3: Cross multiply
    147,109,500.41x = 203,011,109.80 × 85,265,711.24
  4. Step 4: Simplify right side
    147,109,500.41x = 17,309,886,665,490,516
  5. Step 5: Solve for x
    x = 17,309,886,665,490,516/147,109,500.41
  6. Step 6: Final answer
    x = 117,666,681.06

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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.