Home / 99,708,948.98-137,621,307.84-58,469,127.38

Finding the Fourth Proportional to 99,708,948.98, 137,621,307.84 and 58,469,127.38

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Solution

The fourth proportional to 99,708,948.98, 137,621,307.84 and 58,469,127.38 is: 80,700,858.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,708,948.98 : 137,621,307.84 = 58,469,127.38 : x
  2. Step 2: Convert to fraction form
    99,708,948.98/137,621,307.84 = 58,469,127.38/x
  3. Step 3: Cross multiply
    99,708,948.98x = 137,621,307.84 × 58,469,127.38
  4. Step 4: Simplify right side
    99,708,948.98x = 8,046,597,778,237,047
  5. Step 5: Solve for x
    x = 8,046,597,778,237,047/99,708,948.98
  6. Step 6: Final answer
    x = 80,700,858.46

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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.