Home / 189,154,602.47-261,033,233.50-102,234,474.47

Finding the Fourth Proportional to 189,154,602.47, 261,033,233.50 and 102,234,474.47

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Solution

The fourth proportional to 189,154,602.47, 261,033,233.50 and 102,234,474.47 is: 141,083,511.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,154,602.47 : 261,033,233.50 = 102,234,474.47 : x
  2. Step 2: Convert to fraction form
    189,154,602.47/261,033,233.50 = 102,234,474.47/x
  3. Step 3: Cross multiply
    189,154,602.47x = 261,033,233.50 × 102,234,474.47
  4. Step 4: Simplify right side
    189,154,602.47x = 26,686,595,446,077,300
  5. Step 5: Solve for x
    x = 26,686,595,446,077,300/189,154,602.47
  6. Step 6: Final answer
    x = 141,083,511.04

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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.