Home / 31,102,038,984.96-42,905,001,480.37-18,891,494,788.95

Finding the Fourth Proportional to 31,102,038,984.96, 42,905,001,480.37 and 18,891,494,788.95

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Solution

The fourth proportional to 31,102,038,984.96, 42,905,001,480.37 and 18,891,494,788.95 is: 26,060,658,347.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,102,038,984.96 : 42,905,001,480.37 = 18,891,494,788.95 : x
  2. Step 2: Convert to fraction form
    31,102,038,984.96/42,905,001,480.37 = 18,891,494,788.95/x
  3. Step 3: Cross multiply
    31,102,038,984.96x = 42,905,001,480.37 × 18,891,494,788.95
  4. Step 4: Simplify right side
    31,102,038,984.96x = 810,539,611,886,264,123,392
  5. Step 5: Solve for x
    x = 810,539,611,886,264,123,392/31,102,038,984.96
  6. Step 6: Final answer
    x = 26,060,658,347.13

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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.