Home / 122,488,306.40-183,732,459.60-118,331,256.80

Finding the Fourth Proportional to 122,488,306.40, 183,732,459.60 and 118,331,256.80

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Solution

The fourth proportional to 122,488,306.40, 183,732,459.60 and 118,331,256.80 is: 177,496,885.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,488,306.40 : 183,732,459.60 = 118,331,256.80 : x
  2. Step 2: Convert to fraction form
    122,488,306.40/183,732,459.60 = 118,331,256.80/x
  3. Step 3: Cross multiply
    122,488,306.40x = 183,732,459.60 × 118,331,256.80
  4. Step 4: Simplify right side
    122,488,306.40x = 21,741,292,859,423,224
  5. Step 5: Solve for x
    x = 21,741,292,859,423,224/122,488,306.40
  6. Step 6: Final answer
    x = 177,496,885.20

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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.