Home / 64,754,471.80-97,119,266.10-19,317,748.60

Finding the Fourth Proportional to 64,754,471.80, 97,119,266.10 and 19,317,748.60

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Solution

The fourth proportional to 64,754,471.80, 97,119,266.10 and 19,317,748.60 is: 28,972,911.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,754,471.80 : 97,119,266.10 = 19,317,748.60 : x
  2. Step 2: Convert to fraction form
    64,754,471.80/97,119,266.10 = 19,317,748.60/x
  3. Step 3: Cross multiply
    64,754,471.80x = 97,119,266.10 × 19,317,748.60
  4. Step 4: Simplify right side
    64,754,471.80x = 1,876,125,566,736,302.50
  5. Step 5: Solve for x
    x = 1,876,125,566,736,302.50/64,754,471.80
  6. Step 6: Final answer
    x = 28,972,911.28

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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.