Home / 56,930,062.88-78,563,523.85-30,824,598.40

Finding the Fourth Proportional to 56,930,062.88, 78,563,523.85 and 30,824,598.40

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Solution

The fourth proportional to 56,930,062.88, 78,563,523.85 and 30,824,598.40 is: 42,537,965.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,930,062.88 : 78,563,523.85 = 30,824,598.40 : x
  2. Step 2: Convert to fraction form
    56,930,062.88/78,563,523.85 = 30,824,598.40/x
  3. Step 3: Cross multiply
    56,930,062.88x = 78,563,523.85 × 30,824,598.40
  4. Step 4: Simplify right side
    56,930,062.88x = 2,421,689,071,291,601.50
  5. Step 5: Solve for x
    x = 2,421,689,071,291,601.50/56,930,062.88
  6. Step 6: Final answer
    x = 42,537,965.86

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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.