Home / 112,875,057,946.23-155,770,887,699.92-61,436,949,420.65

Finding the Fourth Proportional to 112,875,057,946.23, 155,770,887,699.92 and 61,436,949,420.65

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Solution

The fourth proportional to 112,875,057,946.23, 155,770,887,699.92 and 61,436,949,420.65 is: 84,784,790,572.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,875,057,946.23 : 155,770,887,699.92 = 61,436,949,420.65 : x
  2. Step 2: Convert to fraction form
    112,875,057,946.23/155,770,887,699.92 = 61,436,949,420.65/x
  3. Step 3: Cross multiply
    112,875,057,946.23x = 155,770,887,699.92 × 61,436,949,420.65
  4. Step 4: Simplify right side
    112,875,057,946.23x = 9,570,088,148,828,956,917,760
  5. Step 5: Solve for x
    x = 9,570,088,148,828,956,917,760/112,875,057,946.23
  6. Step 6: Final answer
    x = 84,784,790,572.49

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1.5x scale

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.