Home / 289,757,346.48-434,588,773.28-85,237,590.96

Finding the Fourth Proportional to 289,757,346.48, 434,588,773.28 and 85,237,590.96

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Solution

The fourth proportional to 289,757,346.48, 434,588,773.28 and 85,237,590.96 is: 127,842,488.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,757,346.48 : 434,588,773.28 = 85,237,590.96 : x
  2. Step 2: Convert to fraction form
    289,757,346.48/434,588,773.28 = 85,237,590.96/x
  3. Step 3: Cross multiply
    289,757,346.48x = 434,588,773.28 × 85,237,590.96
  4. Step 4: Simplify right side
    289,757,346.48x = 37,043,300,092,648,816
  5. Step 5: Solve for x
    x = 37,043,300,092,648,816/289,757,346.48
  6. Step 6: Final answer
    x = 127,842,488.01

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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.