Home / 282,852,205.11-424,342,143.15-86,133,216

Finding the Fourth Proportional to 282,852,205.11, 424,342,143.15 and 86,133,216

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Solution

The fourth proportional to 282,852,205.11, 424,342,143.15 and 86,133,216 is: 129,219,262.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,852,205.11 : 424,342,143.15 = 86,133,216 : x
  2. Step 2: Convert to fraction form
    282,852,205.11/424,342,143.15 = 86,133,216/x
  3. Step 3: Cross multiply
    282,852,205.11x = 424,342,143.15 × 86,133,216
  4. Step 4: Simplify right side
    282,852,205.11x = 36,549,953,473,841,872
  5. Step 5: Solve for x
    x = 36,549,953,473,841,872/282,852,205.11
  6. Step 6: Final answer
    x = 129,219,262.97

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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.