Home / 122,488,315.40-183,732,473.10-118,331,265.80

Finding the Fourth Proportional to 122,488,315.40, 183,732,473.10 and 118,331,265.80

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Solution

The fourth proportional to 122,488,315.40, 183,732,473.10 and 118,331,265.80 is: 177,496,898.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,488,315.40 : 183,732,473.10 = 118,331,265.80 : x
  2. Step 2: Convert to fraction form
    122,488,315.40/183,732,473.10 = 118,331,265.80/x
  3. Step 3: Cross multiply
    122,488,315.40x = 183,732,473.10 × 118,331,265.80
  4. Step 4: Simplify right side
    122,488,315.40x = 21,741,296,110,487,448
  5. Step 5: Solve for x
    x = 21,741,296,110,487,448/122,488,315.40
  6. Step 6: Final answer
    x = 177,496,898.70

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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.