Home / 189,182,442.81-261,159,657-110,855,125.29

Finding the Fourth Proportional to 189,182,442.81, 261,159,657 and 110,855,125.29

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Solution

The fourth proportional to 189,182,442.81, 261,159,657 and 110,855,125.29 is: 153,031,571.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,182,442.81 : 261,159,657 = 110,855,125.29 : x
  2. Step 2: Convert to fraction form
    189,182,442.81/261,159,657 = 110,855,125.29/x
  3. Step 3: Cross multiply
    189,182,442.81x = 261,159,657 × 110,855,125.29
  4. Step 4: Simplify right side
    189,182,442.81x = 28,950,886,497,428,428
  5. Step 5: Solve for x
    x = 28,950,886,497,428,428/189,182,442.81
  6. Step 6: Final answer
    x = 153,031,571.36

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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.