Home / 77,262,337,387.40-115,893,506,081.10-76,772,561,361.80

Finding the Fourth Proportional to 77,262,337,387.40, 115,893,506,081.10 and 76,772,561,361.80

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Solution

The fourth proportional to 77,262,337,387.40, 115,893,506,081.10 and 76,772,561,361.80 is: 115,158,842,042.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,262,337,387.40 : 115,893,506,081.10 = 76,772,561,361.80 : x
  2. Step 2: Convert to fraction form
    77,262,337,387.40/115,893,506,081.10 = 76,772,561,361.80/x
  3. Step 3: Cross multiply
    77,262,337,387.40x = 115,893,506,081.10 × 76,772,561,361.80
  4. Step 4: Simplify right side
    77,262,337,387.40x = 8,897,441,307,045,392,285,696
  5. Step 5: Solve for x
    x = 8,897,441,307,045,392,285,696/77,262,337,387.40
  6. Step 6: Final answer
    x = 115,158,842,042.70

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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.