Home / 77,262,376,555.40-115,897,391,208.30-40,070,009,611.40

Finding the Fourth Proportional to 77,262,376,555.40, 115,897,391,208.30 and 40,070,009,611.40

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Solution

The fourth proportional to 77,262,376,555.40, 115,897,391,208.30 and 40,070,009,611.40 is: 60,106,998,861.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,262,376,555.40 : 115,897,391,208.30 = 40,070,009,611.40 : x
  2. Step 2: Convert to fraction form
    77,262,376,555.40/115,897,391,208.30 = 40,070,009,611.40/x
  3. Step 3: Cross multiply
    77,262,376,555.40x = 115,897,391,208.30 × 40,070,009,611.40
  4. Step 4: Simplify right side
    77,262,376,555.40x = 4,644,009,579,652,767,023,104
  5. Step 5: Solve for x
    x = 4,644,009,579,652,767,023,104/77,262,376,555.40
  6. Step 6: Final answer
    x = 60,106,998,861.51

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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.