Home / 96,919,782.40-145,379,673.60-69,710,003.20

Finding the Fourth Proportional to 96,919,782.40, 145,379,673.60 and 69,710,003.20

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Solution

The fourth proportional to 96,919,782.40, 145,379,673.60 and 69,710,003.20 is: 104,565,004.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,919,782.40 : 145,379,673.60 = 69,710,003.20 : x
  2. Step 2: Convert to fraction form
    96,919,782.40/145,379,673.60 = 69,710,003.20/x
  3. Step 3: Cross multiply
    96,919,782.40x = 145,379,673.60 × 69,710,003.20
  4. Step 4: Simplify right side
    96,919,782.40x = 10,134,417,511,870,956
  5. Step 5: Solve for x
    x = 10,134,417,511,870,956/96,919,782.40
  6. Step 6: Final answer
    x = 104,565,004.80

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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.