Home / 161,668,021.60-242,502,032.40-149,196,872.80

Finding the Fourth Proportional to 161,668,021.60, 242,502,032.40 and 149,196,872.80

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Solution

The fourth proportional to 161,668,021.60, 242,502,032.40 and 149,196,872.80 is: 223,795,309.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,668,021.60 : 242,502,032.40 = 149,196,872.80 : x
  2. Step 2: Convert to fraction form
    161,668,021.60/242,502,032.40 = 149,196,872.80/x
  3. Step 3: Cross multiply
    161,668,021.60x = 242,502,032.40 × 149,196,872.80
  4. Step 4: Simplify right side
    161,668,021.60x = 36,180,544,881,724,280
  5. Step 5: Solve for x
    x = 36,180,544,881,724,280/161,668,021.60
  6. Step 6: Final answer
    x = 223,795,309.20

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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.