Home / 186,528,661.10-279,792,991.65-147,561,569.90

Finding the Fourth Proportional to 186,528,661.10, 279,792,991.65 and 147,561,569.90

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Solution

The fourth proportional to 186,528,661.10, 279,792,991.65 and 147,561,569.90 is: 221,342,354.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,528,661.10 : 279,792,991.65 = 147,561,569.90 : x
  2. Step 2: Convert to fraction form
    186,528,661.10/279,792,991.65 = 147,561,569.90/x
  3. Step 3: Cross multiply
    186,528,661.10x = 279,792,991.65 × 147,561,569.90
  4. Step 4: Simplify right side
    186,528,661.10x = 41,286,693,094,891,592
  5. Step 5: Solve for x
    x = 41,286,693,094,891,592/186,528,661.10
  6. Step 6: Final answer
    x = 221,342,354.85

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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.