Home / 148,621,740.42-205,086,001.35-85,901,901.39

Finding the Fourth Proportional to 148,621,740.42, 205,086,001.35 and 85,901,901.39

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Solution

The fourth proportional to 148,621,740.42, 205,086,001.35 and 85,901,901.39 is: 118,537,687.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,621,740.42 : 205,086,001.35 = 85,901,901.39 : x
  2. Step 2: Convert to fraction form
    148,621,740.42/205,086,001.35 = 85,901,901.39/x
  3. Step 3: Cross multiply
    148,621,740.42x = 205,086,001.35 × 85,901,901.39
  4. Step 4: Simplify right side
    148,621,740.42x = 17,617,277,464,437,106
  5. Step 5: Solve for x
    x = 17,617,277,464,437,106/148,621,740.42
  6. Step 6: Final answer
    x = 118,537,687.79

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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.