Home / 101,739,361.52-140,431,931.88-80,868,427.94

Finding the Fourth Proportional to 101,739,361.52, 140,431,931.88 and 80,868,427.94

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Solution

The fourth proportional to 101,739,361.52, 140,431,931.88 and 80,868,427.94 is: 111,623,558.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,739,361.52 : 140,431,931.88 = 80,868,427.94 : x
  2. Step 2: Convert to fraction form
    101,739,361.52/140,431,931.88 = 80,868,427.94/x
  3. Step 3: Cross multiply
    101,739,361.52x = 140,431,931.88 × 80,868,427.94
  4. Step 4: Simplify right side
    101,739,361.52x = 11,356,509,563,712,768
  5. Step 5: Solve for x
    x = 11,356,509,563,712,768/101,739,361.52
  6. Step 6: Final answer
    x = 111,623,558.41

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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.