Home / 161,778,888.51-242,283,134.70-103,305,446.07

Finding the Fourth Proportional to 161,778,888.51, 242,283,134.70 and 103,305,446.07

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Solution

The fourth proportional to 161,778,888.51, 242,283,134.70 and 103,305,446.07 is: 154,712,197.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,778,888.51 : 242,283,134.70 = 103,305,446.07 : x
  2. Step 2: Convert to fraction form
    161,778,888.51/242,283,134.70 = 103,305,446.07/x
  3. Step 3: Cross multiply
    161,778,888.51x = 242,283,134.70 × 103,305,446.07
  4. Step 4: Simplify right side
    161,778,888.51x = 25,029,167,305,421,392
  5. Step 5: Solve for x
    x = 25,029,167,305,421,392/161,778,888.51
  6. Step 6: Final answer
    x = 154,712,197.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.