Home / 190,480,472.96-285,690,101.14-52,273,795.28

Finding the Fourth Proportional to 190,480,472.96, 285,690,101.14 and 52,273,795.28

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Solution

The fourth proportional to 190,480,472.96, 285,690,101.14 and 52,273,795.28 is: 78,402,293.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,480,472.96 : 285,690,101.14 = 52,273,795.28 : x
  2. Step 2: Convert to fraction form
    190,480,472.96/285,690,101.14 = 52,273,795.28/x
  3. Step 3: Cross multiply
    190,480,472.96x = 285,690,101.14 × 52,273,795.28
  4. Step 4: Simplify right side
    190,480,472.96x = 14,934,105,860,514,854
  5. Step 5: Solve for x
    x = 14,934,105,860,514,854/190,480,472.96
  6. Step 6: Final answer
    x = 78,402,293.05

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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.