Home / 64,854,646.05-89,490,581.68-38,743,619.30

Finding the Fourth Proportional to 64,854,646.05, 89,490,581.68 and 38,743,619.30

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Solution

The fourth proportional to 64,854,646.05, 89,490,581.68 and 38,743,619.30 is: 53,460,919.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,854,646.05 : 89,490,581.68 = 38,743,619.30 : x
  2. Step 2: Convert to fraction form
    64,854,646.05/89,490,581.68 = 38,743,619.30/x
  3. Step 3: Cross multiply
    64,854,646.05x = 89,490,581.68 × 38,743,619.30
  4. Step 4: Simplify right side
    64,854,646.05x = 3,467,189,027,157,748.50
  5. Step 5: Solve for x
    x = 3,467,189,027,157,748.50/64,854,646.05
  6. Step 6: Final answer
    x = 53,460,919.74

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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.