Home / 161,758,673.80-242,638,010.70-107,339,115.40

Finding the Fourth Proportional to 161,758,673.80, 242,638,010.70 and 107,339,115.40

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Solution

The fourth proportional to 161,758,673.80, 242,638,010.70 and 107,339,115.40 is: 161,008,673.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,758,673.80 : 242,638,010.70 = 107,339,115.40 : x
  2. Step 2: Convert to fraction form
    161,758,673.80/242,638,010.70 = 107,339,115.40/x
  3. Step 3: Cross multiply
    161,758,673.80x = 242,638,010.70 × 107,339,115.40
  4. Step 4: Simplify right side
    161,758,673.80x = 26,044,549,430,953,736
  5. Step 5: Solve for x
    x = 26,044,549,430,953,736/161,758,673.80
  6. Step 6: Final answer
    x = 161,008,673.10

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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.