Home / 130,786,752.02-196,257,372.17-47,781,127.08

Finding the Fourth Proportional to 130,786,752.02, 196,257,372.17 and 47,781,127.08

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Solution

The fourth proportional to 130,786,752.02, 196,257,372.17 and 47,781,127.08 is: 71,699,910.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,786,752.02 : 196,257,372.17 = 47,781,127.08 : x
  2. Step 2: Convert to fraction form
    130,786,752.02/196,257,372.17 = 47,781,127.08/x
  3. Step 3: Cross multiply
    130,786,752.02x = 196,257,372.17 × 47,781,127.08
  4. Step 4: Simplify right side
    130,786,752.02x = 9,377,398,439,802,718
  5. Step 5: Solve for x
    x = 9,377,398,439,802,718/130,786,752.02
  6. Step 6: Final answer
    x = 71,699,910.70

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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.