Home / 255,648,045.60-383,472,068.40-102,317,767.20

Finding the Fourth Proportional to 255,648,045.60, 383,472,068.40 and 102,317,767.20

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Solution

The fourth proportional to 255,648,045.60, 383,472,068.40 and 102,317,767.20 is: 153,476,650.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,648,045.60 : 383,472,068.40 = 102,317,767.20 : x
  2. Step 2: Convert to fraction form
    255,648,045.60/383,472,068.40 = 102,317,767.20/x
  3. Step 3: Cross multiply
    255,648,045.60x = 383,472,068.40 × 102,317,767.20
  4. Step 4: Simplify right side
    255,648,045.60x = 39,236,005,822,253,672
  5. Step 5: Solve for x
    x = 39,236,005,822,253,672/255,648,045.60
  6. Step 6: Final answer
    x = 153,476,650.80

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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.