Home / 51,818,778,019.80-77,728,167,029.70-42,404,460,137.10

Finding the Fourth Proportional to 51,818,778,019.80, 77,728,167,029.70 and 42,404,460,137.10

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Solution

The fourth proportional to 51,818,778,019.80, 77,728,167,029.70 and 42,404,460,137.10 is: 63,606,690,205.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,818,778,019.80 : 77,728,167,029.70 = 42,404,460,137.10 : x
  2. Step 2: Convert to fraction form
    51,818,778,019.80/77,728,167,029.70 = 42,404,460,137.10/x
  3. Step 3: Cross multiply
    51,818,778,019.80x = 77,728,167,029.70 × 42,404,460,137.10
  4. Step 4: Simplify right side
    51,818,778,019.80x = 3,296,020,960,340,763,738,112
  5. Step 5: Solve for x
    x = 3,296,020,960,340,763,738,112/51,818,778,019.80
  6. Step 6: Final answer
    x = 63,606,690,205.65

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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.