Home / 125,807,718,155.85-188,738,080,673.85-40,810,875,865.98

Finding the Fourth Proportional to 125,807,718,155.85, 188,738,080,673.85 and 40,810,875,865.98

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Solution

The fourth proportional to 125,807,718,155.85, 188,738,080,673.85 and 40,810,875,865.98 is: 61,224,911,273.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,807,718,155.85 : 188,738,080,673.85 = 40,810,875,865.98 : x
  2. Step 2: Convert to fraction form
    125,807,718,155.85/188,738,080,673.85 = 40,810,875,865.98/x
  3. Step 3: Cross multiply
    125,807,718,155.85x = 188,738,080,673.85 × 40,810,875,865.98
  4. Step 4: Simplify right side
    125,807,718,155.85x = 7,702,566,381,563,811,987,456
  5. Step 5: Solve for x
    x = 7,702,566,381,563,811,987,456/125,807,718,155.85
  6. Step 6: Final answer
    x = 61,224,911,273.11

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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.