Home / 189,154,603.48-261,033,234.88-102,234,475.48

Finding the Fourth Proportional to 189,154,603.48, 261,033,234.88 and 102,234,475.48

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Solution

The fourth proportional to 189,154,603.48, 261,033,234.88 and 102,234,475.48 is: 141,083,512.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,154,603.48 : 261,033,234.88 = 102,234,475.48 : x
  2. Step 2: Convert to fraction form
    189,154,603.48/261,033,234.88 = 102,234,475.48/x
  3. Step 3: Cross multiply
    189,154,603.48x = 261,033,234.88 × 102,234,475.48
  4. Step 4: Simplify right side
    189,154,603.48x = 26,686,595,850,804,440
  5. Step 5: Solve for x
    x = 26,686,595,850,804,440/189,154,603.48
  6. Step 6: Final answer
    x = 141,083,512.43

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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.