Home / 90,061,848,931.36-124,233,714,788.88-56,170,304,148.64

Finding the Fourth Proportional to 90,061,848,931.36, 124,233,714,788.88 and 56,170,304,148.64

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Solution

The fourth proportional to 90,061,848,931.36, 124,233,714,788.88 and 56,170,304,148.64 is: 77,482,814,621.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,061,848,931.36 : 124,233,714,788.88 = 56,170,304,148.64 : x
  2. Step 2: Convert to fraction form
    90,061,848,931.36/124,233,714,788.88 = 56,170,304,148.64/x
  3. Step 3: Cross multiply
    90,061,848,931.36x = 124,233,714,788.88 × 56,170,304,148.64
  4. Step 4: Simplify right side
    90,061,848,931.36x = 6,978,245,545,206,784,983,040
  5. Step 5: Solve for x
    x = 6,978,245,545,206,784,983,040/90,061,848,931.36
  6. Step 6: Final answer
    x = 77,482,814,621.37

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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.