Home / 65,855,838.65-90,881,788.32-36,487,633.82

Finding the Fourth Proportional to 65,855,838.65, 90,881,788.32 and 36,487,633.82

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Solution

The fourth proportional to 65,855,838.65, 90,881,788.32 and 36,487,633.82 is: 50,353,339.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,855,838.65 : 90,881,788.32 = 36,487,633.82 : x
  2. Step 2: Convert to fraction form
    65,855,838.65/90,881,788.32 = 36,487,633.82/x
  3. Step 3: Cross multiply
    65,855,838.65x = 90,881,788.32 × 36,487,633.82
  4. Step 4: Simplify right side
    65,855,838.65x = 3,316,061,412,672,503.50
  5. Step 5: Solve for x
    x = 3,316,061,412,672,503.50/65,855,838.65
  6. Step 6: Final answer
    x = 50,353,339.67

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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.