Home / 145,222,406.60-217,833,609.90-53,105,966.60

Finding the Fourth Proportional to 145,222,406.60, 217,833,609.90 and 53,105,966.60

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Solution

The fourth proportional to 145,222,406.60, 217,833,609.90 and 53,105,966.60 is: 79,658,949.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,222,406.60 : 217,833,609.90 = 53,105,966.60 : x
  2. Step 2: Convert to fraction form
    145,222,406.60/217,833,609.90 = 53,105,966.60/x
  3. Step 3: Cross multiply
    145,222,406.60x = 217,833,609.90 × 53,105,966.60
  4. Step 4: Simplify right side
    145,222,406.60x = 11,568,264,411,706,830
  5. Step 5: Solve for x
    x = 11,568,264,411,706,830/145,222,406.60
  6. Step 6: Final answer
    x = 79,658,949.90

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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.