Home / 161,808,057.20-242,712,085.80-54,102,681.20

Finding the Fourth Proportional to 161,808,057.20, 242,712,085.80 and 54,102,681.20

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Solution

The fourth proportional to 161,808,057.20, 242,712,085.80 and 54,102,681.20 is: 81,154,021.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,808,057.20 : 242,712,085.80 = 54,102,681.20 : x
  2. Step 2: Convert to fraction form
    161,808,057.20/242,712,085.80 = 54,102,681.20/x
  3. Step 3: Cross multiply
    161,808,057.20x = 242,712,085.80 × 54,102,681.20
  4. Step 4: Simplify right side
    161,808,057.20x = 13,131,374,601,424,448
  5. Step 5: Solve for x
    x = 13,131,374,601,424,448/161,808,057.20
  6. Step 6: Final answer
    x = 81,154,021.80

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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.