Home / 193,617,812.80-290,426,719.20-149,779,835.20

Finding the Fourth Proportional to 193,617,812.80, 290,426,719.20 and 149,779,835.20

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Solution

The fourth proportional to 193,617,812.80, 290,426,719.20 and 149,779,835.20 is: 224,669,752.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,617,812.80 : 290,426,719.20 = 149,779,835.20 : x
  2. Step 2: Convert to fraction form
    193,617,812.80/290,426,719.20 = 149,779,835.20/x
  3. Step 3: Cross multiply
    193,617,812.80x = 290,426,719.20 × 149,779,835.20
  4. Step 4: Simplify right side
    193,617,812.80x = 43,500,066,139,452,672
  5. Step 5: Solve for x
    x = 43,500,066,139,452,672/193,617,812.80
  6. Step 6: Final answer
    x = 224,669,752.80

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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.