Home / 65,855,851.50-90,881,806.16-36,487,646.67

Finding the Fourth Proportional to 65,855,851.50, 90,881,806.16 and 36,487,646.67

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Solution

The fourth proportional to 65,855,851.50, 90,881,806.16 and 36,487,646.67 is: 50,353,357.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,855,851.50 : 90,881,806.16 = 36,487,646.67 : x
  2. Step 2: Convert to fraction form
    65,855,851.50/90,881,806.16 = 36,487,646.67/x
  3. Step 3: Cross multiply
    65,855,851.50x = 90,881,806.16 × 36,487,646.67
  4. Step 4: Simplify right side
    65,855,851.50x = 3,316,063,231,715,071.50
  5. Step 5: Solve for x
    x = 3,316,063,231,715,071.50/65,855,851.50
  6. Step 6: Final answer
    x = 50,353,357.46

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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.