Home / 99,727,111.42-137,660,138.06-60,036,486.98

Finding the Fourth Proportional to 99,727,111.42, 137,660,138.06 and 60,036,486.98

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Solution

The fourth proportional to 99,727,111.42, 137,660,138.06 and 60,036,486.98 is: 82,872,460.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,727,111.42 : 137,660,138.06 = 60,036,486.98 : x
  2. Step 2: Convert to fraction form
    99,727,111.42/137,660,138.06 = 60,036,486.98/x
  3. Step 3: Cross multiply
    99,727,111.42x = 137,660,138.06 × 60,036,486.98
  4. Step 4: Simplify right side
    99,727,111.42x = 8,264,631,087,261,731
  5. Step 5: Solve for x
    x = 8,264,631,087,261,731/99,727,111.42
  6. Step 6: Final answer
    x = 82,872,460.35

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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.