Home / 434,923,072.91-652,445,880.78-139,719,201.93

Finding the Fourth Proportional to 434,923,072.91, 652,445,880.78 and 139,719,201.93

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Solution

The fourth proportional to 434,923,072.91, 652,445,880.78 and 139,719,201.93 is: 209,598,486.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,923,072.91 : 652,445,880.78 = 139,719,201.93 : x
  2. Step 2: Convert to fraction form
    434,923,072.91/652,445,880.78 = 139,719,201.93/x
  3. Step 3: Cross multiply
    434,923,072.91x = 652,445,880.78 × 139,719,201.93
  4. Step 4: Simplify right side
    434,923,072.91x = 91,159,217,761,828,352
  5. Step 5: Solve for x
    x = 91,159,217,761,828,352/434,923,072.91
  6. Step 6: Final answer
    x = 209,598,486.35

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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.