Home / 152,656,123.58-228,406,365.75-90,440,853.02

Finding the Fourth Proportional to 152,656,123.58, 228,406,365.75 and 90,440,853.02

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Solution

The fourth proportional to 152,656,123.58, 228,406,365.75 and 90,440,853.02 is: 135,318,951.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,656,123.58 : 228,406,365.75 = 90,440,853.02 : x
  2. Step 2: Convert to fraction form
    152,656,123.58/228,406,365.75 = 90,440,853.02/x
  3. Step 3: Cross multiply
    152,656,123.58x = 228,406,365.75 × 90,440,853.02
  4. Step 4: Simplify right side
    152,656,123.58x = 20,657,266,553,628,112
  5. Step 5: Solve for x
    x = 20,657,266,553,628,112/152,656,123.58
  6. Step 6: Final answer
    x = 135,318,951.31

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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.