Home / 243,548,785.48-365,287,748.80-70,979,263.96

Finding the Fourth Proportional to 243,548,785.48, 365,287,748.80 and 70,979,263.96

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Solution

The fourth proportional to 243,548,785.48, 365,287,748.80 and 70,979,263.96 is: 106,458,570.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,548,785.48 : 365,287,748.80 = 70,979,263.96 : x
  2. Step 2: Convert to fraction form
    243,548,785.48/365,287,748.80 = 70,979,263.96/x
  3. Step 3: Cross multiply
    243,548,785.48x = 365,287,748.80 × 70,979,263.96
  4. Step 4: Simplify right side
    243,548,785.48x = 25,927,855,543,429,372
  5. Step 5: Solve for x
    x = 25,927,855,543,429,372/243,548,785.48
  6. Step 6: Final answer
    x = 106,458,570.48

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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.