Home / 90,725,612,931.86-125,200,909,317.36-50,080,168,872.30

Finding the Fourth Proportional to 90,725,612,931.86, 125,200,909,317.36 and 50,080,168,872.30

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Solution

The fourth proportional to 90,725,612,931.86, 125,200,909,317.36 and 50,080,168,872.30 is: 69,110,392,081.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,725,612,931.86 : 125,200,909,317.36 = 50,080,168,872.30 : x
  2. Step 2: Convert to fraction form
    90,725,612,931.86/125,200,909,317.36 = 50,080,168,872.30/x
  3. Step 3: Cross multiply
    90,725,612,931.86x = 125,200,909,317.36 × 50,080,168,872.30
  4. Step 4: Simplify right side
    90,725,612,931.86x = 6,270,082,681,578,908,024,832
  5. Step 5: Solve for x
    x = 6,270,082,681,578,908,024,832/90,725,612,931.86
  6. Step 6: Final answer
    x = 69,110,392,081.76

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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.