Home / 81,894,402,003.80-122,841,603,005.70-39,949,677,061.40

Finding the Fourth Proportional to 81,894,402,003.80, 122,841,603,005.70 and 39,949,677,061.40

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Solution

The fourth proportional to 81,894,402,003.80, 122,841,603,005.70 and 39,949,677,061.40 is: 59,924,515,592.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,894,402,003.80 : 122,841,603,005.70 = 39,949,677,061.40 : x
  2. Step 2: Convert to fraction form
    81,894,402,003.80/122,841,603,005.70 = 39,949,677,061.40/x
  3. Step 3: Cross multiply
    81,894,402,003.80x = 122,841,603,005.70 × 39,949,677,061.40
  4. Step 4: Simplify right side
    81,894,402,003.80x = 4,907,482,369,782,418,767,872
  5. Step 5: Solve for x
    x = 4,907,482,369,782,418,767,872/81,894,402,003.80
  6. Step 6: Final answer
    x = 59,924,515,592.10

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1.5x scale

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.