Home / 192,881,475-266,176,539.18-105,966,945.72

Finding the Fourth Proportional to 192,881,475, 266,176,539.18 and 105,966,945.72

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Solution

The fourth proportional to 192,881,475, 266,176,539.18 and 105,966,945.72 is: 146,234,442.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,881,475 : 266,176,539.18 = 105,966,945.72 : x
  2. Step 2: Convert to fraction form
    192,881,475/266,176,539.18 = 105,966,945.72/x
  3. Step 3: Cross multiply
    192,881,475x = 266,176,539.18 × 105,966,945.72
  4. Step 4: Simplify right side
    192,881,475x = 28,205,914,879,224,512
  5. Step 5: Solve for x
    x = 28,205,914,879,224,512/192,881,475
  6. Step 6: Final answer
    x = 146,234,442.05

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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.