Home / 283,905,683.32-391,790,385.20-156,746,607.60

Finding the Fourth Proportional to 283,905,683.32, 391,790,385.20 and 156,746,607.60

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Solution

The fourth proportional to 283,905,683.32, 391,790,385.20 and 156,746,607.60 is: 216,310,617.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,905,683.32 : 391,790,385.20 = 156,746,607.60 : x
  2. Step 2: Convert to fraction form
    283,905,683.32/391,790,385.20 = 156,746,607.60/x
  3. Step 3: Cross multiply
    283,905,683.32x = 391,790,385.20 × 156,746,607.60
  4. Step 4: Simplify right side
    283,905,683.32x = 61,411,813,770,397,240
  5. Step 5: Solve for x
    x = 61,411,813,770,397,240/283,905,683.32
  6. Step 6: Final answer
    x = 216,310,617.85

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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.