Home / 401,919,353.41-602,812,161.76-121,733,652.57

Finding the Fourth Proportional to 401,919,353.41, 602,812,161.76 and 121,733,652.57

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Solution

The fourth proportional to 401,919,353.41, 602,812,161.76 and 121,733,652.57 is: 182,580,225.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,919,353.41 : 602,812,161.76 = 121,733,652.57 : x
  2. Step 2: Convert to fraction form
    401,919,353.41/602,812,161.76 = 121,733,652.57/x
  3. Step 3: Cross multiply
    401,919,353.41x = 602,812,161.76 × 121,733,652.57
  4. Step 4: Simplify right side
    401,919,353.41x = 73,382,526,266,618,704
  5. Step 5: Solve for x
    x = 73,382,526,266,618,704/401,919,353.41
  6. Step 6: Final answer
    x = 182,580,225.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.