Home / 282,838,192.80-390,350,685.04-171,325,761.66

Finding the Fourth Proportional to 282,838,192.80, 390,350,685.04 and 171,325,761.66

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Solution

The fourth proportional to 282,838,192.80, 390,350,685.04 and 171,325,761.66 is: 236,450,133.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,838,192.80 : 390,350,685.04 = 171,325,761.66 : x
  2. Step 2: Convert to fraction form
    282,838,192.80/390,350,685.04 = 171,325,761.66/x
  3. Step 3: Cross multiply
    282,838,192.80x = 390,350,685.04 × 171,325,761.66
  4. Step 4: Simplify right side
    282,838,192.80x = 66,877,128,428,980,768
  5. Step 5: Solve for x
    x = 66,877,128,428,980,768/282,838,192.80
  6. Step 6: Final answer
    x = 236,450,133.44

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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.