Home / 91,288,023,172.59-125,977,620,178.75-50,642,935,700.33

Finding the Fourth Proportional to 91,288,023,172.59, 125,977,620,178.75 and 50,642,935,700.33

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Solution

The fourth proportional to 91,288,023,172.59, 125,977,620,178.75 and 50,642,935,700.33 is: 69,887,333,482.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,288,023,172.59 : 125,977,620,178.75 = 50,642,935,700.33 : x
  2. Step 2: Convert to fraction form
    91,288,023,172.59/125,977,620,178.75 = 50,642,935,700.33/x
  3. Step 3: Cross multiply
    91,288,023,172.59x = 125,977,620,178.75 × 50,642,935,700.33
  4. Step 4: Simplify right side
    91,288,023,172.59x = 6,379,876,518,393,031,950,336
  5. Step 5: Solve for x
    x = 6,379,876,518,393,031,950,336/91,288,023,172.59
  6. Step 6: Final answer
    x = 69,887,333,482.19

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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.