Home / 187,681,139.12-281,521,145.52-47,621,325.22

Finding the Fourth Proportional to 187,681,139.12, 281,521,145.52 and 47,621,325.22

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Solution

The fourth proportional to 187,681,139.12, 281,521,145.52 and 47,621,325.22 is: 71,431,844.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,681,139.12 : 281,521,145.52 = 47,621,325.22 : x
  2. Step 2: Convert to fraction form
    187,681,139.12/281,521,145.52 = 47,621,325.22/x
  3. Step 3: Cross multiply
    187,681,139.12x = 281,521,145.52 × 47,621,325.22
  4. Step 4: Simplify right side
    187,681,139.12x = 13,406,410,026,411,062
  5. Step 5: Solve for x
    x = 13,406,410,026,411,062/187,681,139.12
  6. Step 6: Final answer
    x = 71,431,844.93

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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.