Home / 156,616,342.30-234,924,513.45-65,917,078.30

Finding the Fourth Proportional to 156,616,342.30, 234,924,513.45 and 65,917,078.30

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Solution

The fourth proportional to 156,616,342.30, 234,924,513.45 and 65,917,078.30 is: 98,875,617.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,616,342.30 : 234,924,513.45 = 65,917,078.30 : x
  2. Step 2: Convert to fraction form
    156,616,342.30/234,924,513.45 = 65,917,078.30/x
  3. Step 3: Cross multiply
    156,616,342.30x = 234,924,513.45 × 65,917,078.30
  4. Step 4: Simplify right side
    156,616,342.30x = 15,485,537,547,673,052
  5. Step 5: Solve for x
    x = 15,485,537,547,673,052/156,616,342.30
  6. Step 6: Final answer
    x = 98,875,617.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.