Home / 30,458,721.60-45,688,082.40-29,115,028.80

Finding the Fourth Proportional to 30,458,721.60, 45,688,082.40 and 29,115,028.80

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Solution

The fourth proportional to 30,458,721.60, 45,688,082.40 and 29,115,028.80 is: 43,672,543.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,458,721.60 : 45,688,082.40 = 29,115,028.80 : x
  2. Step 2: Convert to fraction form
    30,458,721.60/45,688,082.40 = 29,115,028.80/x
  3. Step 3: Cross multiply
    30,458,721.60x = 45,688,082.40 × 29,115,028.80
  4. Step 4: Simplify right side
    30,458,721.60x = 1,330,209,834,892,773
  5. Step 5: Solve for x
    x = 1,330,209,834,892,773/30,458,721.60
  6. Step 6: Final answer
    x = 43,672,543.20

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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.