Home / 148,031,654.80-222,068,477.40-45,785,030.80

Finding the Fourth Proportional to 148,031,654.80, 222,068,477.40 and 45,785,030.80

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Solution

The fourth proportional to 148,031,654.80, 222,068,477.40 and 45,785,030.80 is: 68,684,039.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,031,654.80 : 222,068,477.40 = 45,785,030.80 : x
  2. Step 2: Convert to fraction form
    148,031,654.80/222,068,477.40 = 45,785,030.80/x
  3. Step 3: Cross multiply
    148,031,654.80x = 222,068,477.40 × 45,785,030.80
  4. Step 4: Simplify right side
    148,031,654.80x = 10,167,412,077,468,104
  5. Step 5: Solve for x
    x = 10,167,412,077,468,104/148,031,654.80
  6. Step 6: Final answer
    x = 68,684,039.85

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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.