Home / 287,246,114.40-431,139,776.40-151,029,256.80

Finding the Fourth Proportional to 287,246,114.40, 431,139,776.40 and 151,029,256.80

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Solution

The fourth proportional to 287,246,114.40, 431,139,776.40 and 151,029,256.80 is: 226,686,164.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,246,114.40 : 431,139,776.40 = 151,029,256.80 : x
  2. Step 2: Convert to fraction form
    287,246,114.40/431,139,776.40 = 151,029,256.80/x
  3. Step 3: Cross multiply
    287,246,114.40x = 431,139,776.40 × 151,029,256.80
  4. Step 4: Simplify right side
    287,246,114.40x = 65,114,720,006,610,184
  5. Step 5: Solve for x
    x = 65,114,720,006,610,184/287,246,114.40
  6. Step 6: Final answer
    x = 226,686,164.73

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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.