Home / 75,551,495.40-113,327,243.10-69,756,820.20

Finding the Fourth Proportional to 75,551,495.40, 113,327,243.10 and 69,756,820.20

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Solution

The fourth proportional to 75,551,495.40, 113,327,243.10 and 69,756,820.20 is: 104,635,230.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,551,495.40 : 113,327,243.10 = 69,756,820.20 : x
  2. Step 2: Convert to fraction form
    75,551,495.40/113,327,243.10 = 69,756,820.20/x
  3. Step 3: Cross multiply
    75,551,495.40x = 113,327,243.10 × 69,756,820.20
  4. Step 4: Simplify right side
    75,551,495.40x = 7,905,348,120,688,391
  5. Step 5: Solve for x
    x = 7,905,348,120,688,391/75,551,495.40
  6. Step 6: Final answer
    x = 104,635,230.30

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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.