Home / 217,884,913.32-300,672,132.84-118,763,479.44

Finding the Fourth Proportional to 217,884,913.32, 300,672,132.84 and 118,763,479.44

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Solution

The fourth proportional to 217,884,913.32, 300,672,132.84 and 118,763,479.44 is: 163,888,670.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,884,913.32 : 300,672,132.84 = 118,763,479.44 : x
  2. Step 2: Convert to fraction form
    217,884,913.32/300,672,132.84 = 118,763,479.44/x
  3. Step 3: Cross multiply
    217,884,913.32x = 300,672,132.84 × 118,763,479.44
  4. Step 4: Simplify right side
    217,884,913.32x = 35,708,868,666,724,284
  5. Step 5: Solve for x
    x = 35,708,868,666,724,284/217,884,913.32
  6. Step 6: Final answer
    x = 163,888,670.04

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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.