Home / 605,369,050.78-908,053,588.14-145,307,220.16

Finding the Fourth Proportional to 605,369,050.78, 908,053,588.14 and 145,307,220.16

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Solution

The fourth proportional to 605,369,050.78, 908,053,588.14 and 145,307,220.16 is: 217,960,833.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,369,050.78 : 908,053,588.14 = 145,307,220.16 : x
  2. Step 2: Convert to fraction form
    605,369,050.78/908,053,588.14 = 145,307,220.16/x
  3. Step 3: Cross multiply
    605,369,050.78x = 908,053,588.14 × 145,307,220.16
  4. Step 4: Simplify right side
    605,369,050.78x = 131,946,742,648,936,944
  5. Step 5: Solve for x
    x = 131,946,742,648,936,944/605,369,050.78
  6. Step 6: Final answer
    x = 217,960,833.11

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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.