Home / 282,838,187.15-390,350,677.27-171,325,756.04

Finding the Fourth Proportional to 282,838,187.15, 390,350,677.27 and 171,325,756.04

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Solution

The fourth proportional to 282,838,187.15, 390,350,677.27 and 171,325,756.04 is: 236,450,125.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,838,187.15 : 390,350,677.27 = 171,325,756.04 : x
  2. Step 2: Convert to fraction form
    282,838,187.15/390,350,677.27 = 171,325,756.04/x
  3. Step 3: Cross multiply
    282,838,187.15x = 390,350,677.27 × 171,325,756.04
  4. Step 4: Simplify right side
    282,838,187.15x = 66,877,124,904,008,784
  5. Step 5: Solve for x
    x = 66,877,124,904,008,784/282,838,187.15
  6. Step 6: Final answer
    x = 236,450,125.70

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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.