Home / 123,702,855.53-185,578,148.92-47,019,888.63

Finding the Fourth Proportional to 123,702,855.53, 185,578,148.92 and 47,019,888.63

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Solution

The fourth proportional to 123,702,855.53, 185,578,148.92 and 47,019,888.63 is: 70,538,904.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,702,855.53 : 185,578,148.92 = 47,019,888.63 : x
  2. Step 2: Convert to fraction form
    123,702,855.53/185,578,148.92 = 47,019,888.63/x
  3. Step 3: Cross multiply
    123,702,855.53x = 185,578,148.92 × 47,019,888.63
  4. Step 4: Simplify right side
    123,702,855.53x = 8,725,863,894,379,955
  5. Step 5: Solve for x
    x = 8,725,863,894,379,955/123,702,855.53
  6. Step 6: Final answer
    x = 70,538,904.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.