Home / 118,060,790.81-162,924,457.19-65,137,495.79

Finding the Fourth Proportional to 118,060,790.81, 162,924,457.19 and 65,137,495.79

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Solution

The fourth proportional to 118,060,790.81, 162,924,457.19 and 65,137,495.79 is: 89,890,056.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,060,790.81 : 162,924,457.19 = 65,137,495.79 : x
  2. Step 2: Convert to fraction form
    118,060,790.81/162,924,457.19 = 65,137,495.79/x
  3. Step 3: Cross multiply
    118,060,790.81x = 162,924,457.19 × 65,137,495.79
  4. Step 4: Simplify right side
    118,060,790.81x = 10,612,491,144,383,284
  5. Step 5: Solve for x
    x = 10,612,491,144,383,284/118,060,790.81
  6. Step 6: Final answer
    x = 89,890,056.40

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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.