Home / 67,357,440.72-92,967,688.98-42,561,885.96

Finding the Fourth Proportional to 67,357,440.72, 92,967,688.98 and 42,561,885.96

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Solution

The fourth proportional to 67,357,440.72, 92,967,688.98 and 42,561,885.96 is: 58,744,514.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,357,440.72 : 92,967,688.98 = 42,561,885.96 : x
  2. Step 2: Convert to fraction form
    67,357,440.72/92,967,688.98 = 42,561,885.96/x
  3. Step 3: Cross multiply
    67,357,440.72x = 92,967,688.98 × 42,561,885.96
  4. Step 4: Simplify right side
    67,357,440.72x = 3,956,880,176,331,509
  5. Step 5: Solve for x
    x = 3,956,880,176,331,509/67,357,440.72
  6. Step 6: Final answer
    x = 58,744,514.85

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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.