Home / 149,105,463,340.91-205,766,167,815.33-84,000,671,814.47

Finding the Fourth Proportional to 149,105,463,340.91, 205,766,167,815.33 and 84,000,671,814.47

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Solution

The fourth proportional to 149,105,463,340.91, 205,766,167,815.33 and 84,000,671,814.47 is: 115,921,281,124.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,105,463,340.91 : 205,766,167,815.33 = 84,000,671,814.47 : x
  2. Step 2: Convert to fraction form
    149,105,463,340.91/205,766,167,815.33 = 84,000,671,814.47/x
  3. Step 3: Cross multiply
    149,105,463,340.91x = 205,766,167,815.33 × 84,000,671,814.47
  4. Step 4: Simplify right side
    149,105,463,340.91x = 17,284,496,333,176,693,587,968
  5. Step 5: Solve for x
    x = 17,284,496,333,176,693,587,968/149,105,463,340.91
  6. Step 6: Final answer
    x = 115,921,281,124.74

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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.