Home / 90,373,722,437.63-124,711,991,891.75-49,174,272,320.00

Finding the Fourth Proportional to 90,373,722,437.63, 124,711,991,891.75 and 49,174,272,320.00

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Solution

The fourth proportional to 90,373,722,437.63, 124,711,991,891.75 and 49,174,272,320.00 is: 67,858,458,027.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,373,722,437.63 : 124,711,991,891.75 = 49,174,272,320.00 : x
  2. Step 2: Convert to fraction form
    90,373,722,437.63/124,711,991,891.75 = 49,174,272,320.00/x
  3. Step 3: Cross multiply
    90,373,722,437.63x = 124,711,991,891.75 × 49,174,272,320.00
  4. Step 4: Simplify right side
    90,373,722,437.63x = 6,132,621,450,854,047,678,464
  5. Step 5: Solve for x
    x = 6,132,621,450,854,047,678,464/90,373,722,437.63
  6. Step 6: Final answer
    x = 67,858,458,027.85

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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.