Home / 102,431,275,775.85-141,349,560,467.77-56,072,734,907.31

Finding the Fourth Proportional to 102,431,275,775.85, 141,349,560,467.77 and 56,072,734,907.31

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Solution

The fourth proportional to 102,431,275,775.85, 141,349,560,467.77 and 56,072,734,907.31 is: 77,377,308,574.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,431,275,775.85 : 141,349,560,467.77 = 56,072,734,907.31 : x
  2. Step 2: Convert to fraction form
    102,431,275,775.85/141,349,560,467.77 = 56,072,734,907.31/x
  3. Step 3: Cross multiply
    102,431,275,775.85x = 141,349,560,467.77 × 56,072,734,907.31
  4. Step 4: Simplify right side
    102,431,275,775.85x = 7,925,856,433,374,051,172,352
  5. Step 5: Solve for x
    x = 7,925,856,433,374,051,172,352/102,431,275,775.85
  6. Step 6: Final answer
    x = 77,377,308,574.37

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1.5x scale

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.