Home / 191,143,429.22-286,715,156.90-76,208,684.15

Finding the Fourth Proportional to 191,143,429.22, 286,715,156.90 and 76,208,684.15

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Solution

The fourth proportional to 191,143,429.22, 286,715,156.90 and 76,208,684.15 is: 114,313,031.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,143,429.22 : 286,715,156.90 = 76,208,684.15 : x
  2. Step 2: Convert to fraction form
    191,143,429.22/286,715,156.90 = 76,208,684.15/x
  3. Step 3: Cross multiply
    191,143,429.22x = 286,715,156.90 × 76,208,684.15
  4. Step 4: Simplify right side
    191,143,429.22x = 21,850,184,833,545,536
  5. Step 5: Solve for x
    x = 21,850,184,833,545,536/191,143,429.22
  6. Step 6: Final answer
    x = 114,313,031.44

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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.