Home / 217,516,643.46-300,180,889.51-118,392,599.84

Finding the Fourth Proportional to 217,516,643.46, 300,180,889.51 and 118,392,599.84

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Solution

The fourth proportional to 217,516,643.46, 300,180,889.51 and 118,392,599.84 is: 163,386,099.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,516,643.46 : 300,180,889.51 = 118,392,599.84 : x
  2. Step 2: Convert to fraction form
    217,516,643.46/300,180,889.51 = 118,392,599.84/x
  3. Step 3: Cross multiply
    217,516,643.46x = 300,180,889.51 × 118,392,599.84
  4. Step 4: Simplify right side
    217,516,643.46x = 35,539,195,929,575,796
  5. Step 5: Solve for x
    x = 35,539,195,929,575,796/217,516,643.46
  6. Step 6: Final answer
    x = 163,386,099.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.