Home / 285,088,155.36-427,695,218.64-103,330,609.44

Finding the Fourth Proportional to 285,088,155.36, 427,695,218.64 and 103,330,609.44

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Solution

The fourth proportional to 285,088,155.36, 427,695,218.64 and 103,330,609.44 is: 155,018,743.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,088,155.36 : 427,695,218.64 = 103,330,609.44 : x
  2. Step 2: Convert to fraction form
    285,088,155.36/427,695,218.64 = 103,330,609.44/x
  3. Step 3: Cross multiply
    285,088,155.36x = 427,695,218.64 × 103,330,609.44
  4. Step 4: Simplify right side
    285,088,155.36x = 44,194,007,596,645,248
  5. Step 5: Solve for x
    x = 44,194,007,596,645,248/285,088,155.36
  6. Step 6: Final answer
    x = 155,018,743.38

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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.