Home / 282,363,983.67-389,671,759.35-156,921,465.81

Finding the Fourth Proportional to 282,363,983.67, 389,671,759.35 and 156,921,465.81

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Solution

The fourth proportional to 282,363,983.67, 389,671,759.35 and 156,921,465.81 is: 216,556,881.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,363,983.67 : 389,671,759.35 = 156,921,465.81 : x
  2. Step 2: Convert to fraction form
    282,363,983.67/389,671,759.35 = 156,921,465.81/x
  3. Step 3: Cross multiply
    282,363,983.67x = 389,671,759.35 × 156,921,465.81
  4. Step 4: Simplify right side
    282,363,983.67x = 61,147,863,661,178,968
  5. Step 5: Solve for x
    x = 61,147,863,661,178,968/282,363,983.67
  6. Step 6: Final answer
    x = 216,556,881.18

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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.