Home / 66,270,548.70-91,464,508.08-42,742,472.22

Finding the Fourth Proportional to 66,270,548.70, 91,464,508.08 and 42,742,472.22

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Solution

The fourth proportional to 66,270,548.70, 91,464,508.08 and 42,742,472.22 is: 58,991,803.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,270,548.70 : 91,464,508.08 = 42,742,472.22 : x
  2. Step 2: Convert to fraction form
    66,270,548.70/91,464,508.08 = 42,742,472.22/x
  3. Step 3: Cross multiply
    66,270,548.70x = 91,464,508.08 × 42,742,472.22
  4. Step 4: Simplify right side
    66,270,548.70x = 3,909,419,195,725,365.50
  5. Step 5: Solve for x
    x = 3,909,419,195,725,365.50/66,270,548.70
  6. Step 6: Final answer
    x = 58,991,803.64

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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.