Home / 40,803,433.70-61,205,150.55-31,556,360.30

Finding the Fourth Proportional to 40,803,433.70, 61,205,150.55 and 31,556,360.30

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Solution

The fourth proportional to 40,803,433.70, 61,205,150.55 and 31,556,360.30 is: 47,334,540.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,803,433.70 : 61,205,150.55 = 31,556,360.30 : x
  2. Step 2: Convert to fraction form
    40,803,433.70/61,205,150.55 = 31,556,360.30/x
  3. Step 3: Cross multiply
    40,803,433.70x = 61,205,150.55 × 31,556,360.30
  4. Step 4: Simplify right side
    40,803,433.70x = 1,931,411,782,971,543
  5. Step 5: Solve for x
    x = 1,931,411,782,971,543/40,803,433.70
  6. Step 6: Final answer
    x = 47,334,540.45

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Double scale
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Similar ratio
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1.5x scale

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.