Home / 193,416,024.84-266,920,665.14-105,313,439.40

Finding the Fourth Proportional to 193,416,024.84, 266,920,665.14 and 105,313,439.40

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Solution

The fourth proportional to 193,416,024.84, 266,920,665.14 and 105,313,439.40 is: 145,336,113.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,416,024.84 : 266,920,665.14 = 105,313,439.40 : x
  2. Step 2: Convert to fraction form
    193,416,024.84/266,920,665.14 = 105,313,439.40/x
  3. Step 3: Cross multiply
    193,416,024.84x = 266,920,665.14 × 105,313,439.40
  4. Step 4: Simplify right side
    193,416,024.84x = 28,110,333,292,829,084
  5. Step 5: Solve for x
    x = 28,110,333,292,829,084/193,416,024.84
  6. Step 6: Final answer
    x = 145,336,113.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.