Home / 111,269,555.35-153,531,683.14-64,209,460.63

Finding the Fourth Proportional to 111,269,555.35, 153,531,683.14 and 64,209,460.63

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Solution

The fourth proportional to 111,269,555.35, 153,531,683.14 and 64,209,460.63 is: 88,597,339.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,269,555.35 : 153,531,683.14 = 64,209,460.63 : x
  2. Step 2: Convert to fraction form
    111,269,555.35/153,531,683.14 = 64,209,460.63/x
  3. Step 3: Cross multiply
    111,269,555.35x = 153,531,683.14 × 64,209,460.63
  4. Step 4: Simplify right side
    111,269,555.35x = 9,858,186,564,035,464
  5. Step 5: Solve for x
    x = 9,858,186,564,035,464/111,269,555.35
  6. Step 6: Final answer
    x = 88,597,339.43

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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.