Home / 115,698,620.89-159,663,658.84-63,488,530.27

Finding the Fourth Proportional to 115,698,620.89, 159,663,658.84 and 63,488,530.27

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Solution

The fourth proportional to 115,698,620.89, 159,663,658.84 and 63,488,530.27 is: 87,613,931.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,698,620.89 : 159,663,658.84 = 63,488,530.27 : x
  2. Step 2: Convert to fraction form
    115,698,620.89/159,663,658.84 = 63,488,530.27/x
  3. Step 3: Cross multiply
    115,698,620.89x = 159,663,658.84 × 63,488,530.27
  4. Step 4: Simplify right side
    115,698,620.89x = 10,136,811,037,282,294
  5. Step 5: Solve for x
    x = 10,136,811,037,282,294/115,698,620.89
  6. Step 6: Final answer
    x = 87,613,931.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.