Home / 108,282,070.56-149,263,946.08-66,388,576.48

Finding the Fourth Proportional to 108,282,070.56, 149,263,946.08 and 66,388,576.48

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Solution

The fourth proportional to 108,282,070.56, 149,263,946.08 and 66,388,576.48 is: 91,514,881.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,282,070.56 : 149,263,946.08 = 66,388,576.48 : x
  2. Step 2: Convert to fraction form
    108,282,070.56/149,263,946.08 = 66,388,576.48/x
  3. Step 3: Cross multiply
    108,282,070.56x = 149,263,946.08 × 66,388,576.48
  4. Step 4: Simplify right side
    108,282,070.56x = 9,909,420,900,038,676
  5. Step 5: Solve for x
    x = 9,909,420,900,038,676/108,282,070.56
  6. Step 6: Final answer
    x = 91,514,881.91

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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.