Home / 282,363,970.54-389,671,741.02-156,921,453.19

Finding the Fourth Proportional to 282,363,970.54, 389,671,741.02 and 156,921,453.19

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Solution

The fourth proportional to 282,363,970.54, 389,671,741.02 and 156,921,453.19 is: 216,556,863.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,363,970.54 : 389,671,741.02 = 156,921,453.19 : x
  2. Step 2: Convert to fraction form
    282,363,970.54/389,671,741.02 = 156,921,453.19/x
  3. Step 3: Cross multiply
    282,363,970.54x = 389,671,741.02 × 156,921,453.19
  4. Step 4: Simplify right side
    282,363,970.54x = 61,147,855,865,202,768
  5. Step 5: Solve for x
    x = 61,147,855,865,202,768/282,363,970.54
  6. Step 6: Final answer
    x = 216,556,863.64

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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.