Home / 282,068,155.51-423,090,858.13-143,890,731.69

Finding the Fourth Proportional to 282,068,155.51, 423,090,858.13 and 143,890,731.69

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Solution

The fourth proportional to 282,068,155.51, 423,090,858.13 and 143,890,731.69 is: 215,830,294.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,068,155.51 : 423,090,858.13 = 143,890,731.69 : x
  2. Step 2: Convert to fraction form
    282,068,155.51/423,090,858.13 = 143,890,731.69/x
  3. Step 3: Cross multiply
    282,068,155.51x = 423,090,858.13 × 143,890,731.69
  4. Step 4: Simplify right side
    282,068,155.51x = 60,878,853,145,729,368
  5. Step 5: Solve for x
    x = 60,878,853,145,729,368/282,068,155.51
  6. Step 6: Final answer
    x = 215,830,294.76

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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.