Home / 131,930,437.40-182,063,933.03-72,392,124.45

Finding the Fourth Proportional to 131,930,437.40, 182,063,933.03 and 72,392,124.45

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Solution

The fourth proportional to 131,930,437.40, 182,063,933.03 and 72,392,124.45 is: 99,901,093.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,930,437.40 : 182,063,933.03 = 72,392,124.45 : x
  2. Step 2: Convert to fraction form
    131,930,437.40/182,063,933.03 = 72,392,124.45/x
  3. Step 3: Cross multiply
    131,930,437.40x = 182,063,933.03 × 72,392,124.45
  4. Step 4: Simplify right side
    131,930,437.40x = 13,179,994,897,196,270
  5. Step 5: Solve for x
    x = 13,179,994,897,196,270/131,930,437.40
  6. Step 6: Final answer
    x = 99,901,093.01

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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.