Home / 149,105,463,329.76-205,766,167,799.92-84,000,671,803.31

Finding the Fourth Proportional to 149,105,463,329.76, 205,766,167,799.92 and 84,000,671,803.31

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Solution

The fourth proportional to 149,105,463,329.76, 205,766,167,799.92 and 84,000,671,803.31 is: 115,921,281,109.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,105,463,329.76 : 205,766,167,799.92 = 84,000,671,803.31 : x
  2. Step 2: Convert to fraction form
    149,105,463,329.76/205,766,167,799.92 = 84,000,671,803.31/x
  3. Step 3: Cross multiply
    149,105,463,329.76x = 205,766,167,799.92 × 84,000,671,803.31
  4. Step 4: Simplify right side
    149,105,463,329.76x = 17,284,496,329,584,865,705,984
  5. Step 5: Solve for x
    x = 17,284,496,329,584,865,705,984/149,105,463,329.76
  6. Step 6: Final answer
    x = 115,921,281,109.32

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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.