Home / 91,578,424.14-137,388,869.64-30,165,374.34

Finding the Fourth Proportional to 91,578,424.14, 137,388,869.64 and 30,165,374.34

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Solution

The fourth proportional to 91,578,424.14, 137,388,869.64 and 30,165,374.34 is: 45,255,055.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,578,424.14 : 137,388,869.64 = 30,165,374.34 : x
  2. Step 2: Convert to fraction form
    91,578,424.14/137,388,869.64 = 30,165,374.34/x
  3. Step 3: Cross multiply
    91,578,424.14x = 137,388,869.64 × 30,165,374.34
  4. Step 4: Simplify right side
    91,578,424.14x = 4,144,386,682,840,060.50
  5. Step 5: Solve for x
    x = 4,144,386,682,840,060.50/91,578,424.14
  6. Step 6: Final answer
    x = 45,255,055.67

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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.