Home / 156,786,603.57-216,354,281.67-86,227,182

Finding the Fourth Proportional to 156,786,603.57, 216,354,281.67 and 86,227,182

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Solution

The fourth proportional to 156,786,603.57, 216,354,281.67 and 86,227,182 is: 118,987,334.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,786,603.57 : 216,354,281.67 = 86,227,182 : x
  2. Step 2: Convert to fraction form
    156,786,603.57/216,354,281.67 = 86,227,182/x
  3. Step 3: Cross multiply
    156,786,603.57x = 216,354,281.67 × 86,227,182
  4. Step 4: Simplify right side
    156,786,603.57x = 18,655,620,022,038,352
  5. Step 5: Solve for x
    x = 18,655,620,022,038,352/156,786,603.57
  6. Step 6: Final answer
    x = 118,987,334.36

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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.