Home / 153,133,227,422.55-211,342,384,582.85-87,155,443,700.61

Finding the Fourth Proportional to 153,133,227,422.55, 211,342,384,582.85 and 87,155,443,700.61

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Solution

The fourth proportional to 153,133,227,422.55, 211,342,384,582.85 and 87,155,443,700.61 is: 120,285,059,037.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,133,227,422.55 : 211,342,384,582.85 = 87,155,443,700.61 : x
  2. Step 2: Convert to fraction form
    153,133,227,422.55/211,342,384,582.85 = 87,155,443,700.61/x
  3. Step 3: Cross multiply
    153,133,227,422.55x = 211,342,384,582.85 × 87,155,443,700.61
  4. Step 4: Simplify right side
    153,133,227,422.55x = 18,419,639,301,062,193,577,984
  5. Step 5: Solve for x
    x = 18,419,639,301,062,193,577,984/153,133,227,422.55
  6. Step 6: Final answer
    x = 120,285,059,037.09

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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.