Home / 97,418,156.48-134,404,300.32-56,164,143.68

Finding the Fourth Proportional to 97,418,156.48, 134,404,300.32 and 56,164,143.68

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Solution

The fourth proportional to 97,418,156.48, 134,404,300.32 and 56,164,143.68 is: 77,487,633.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,418,156.48 : 134,404,300.32 = 56,164,143.68 : x
  2. Step 2: Convert to fraction form
    97,418,156.48/134,404,300.32 = 56,164,143.68/x
  3. Step 3: Cross multiply
    97,418,156.48x = 134,404,300.32 × 56,164,143.68
  4. Step 4: Simplify right side
    97,418,156.48x = 7,548,702,434,382,350
  5. Step 5: Solve for x
    x = 7,548,702,434,382,350/97,418,156.48
  6. Step 6: Final answer
    x = 77,487,633.80

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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.