Home / 156,283,298-215,670,953.16-87,605,666

Finding the Fourth Proportional to 156,283,298, 215,670,953.16 and 87,605,666

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Solution

The fourth proportional to 156,283,298, 215,670,953.16 and 87,605,666 is: 120,895,820.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,283,298 : 215,670,953.16 = 87,605,666 : x
  2. Step 2: Convert to fraction form
    156,283,298/215,670,953.16 = 87,605,666/x
  3. Step 3: Cross multiply
    156,283,298x = 215,670,953.16 × 87,605,666
  4. Step 4: Simplify right side
    156,283,298x = 18,893,997,488,436,604
  5. Step 5: Solve for x
    x = 18,893,997,488,436,604/156,283,298
  6. Step 6: Final answer
    x = 120,895,820.16

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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.