Home / 99,219,710.80-148,829,566.20-73,710,542.80

Finding the Fourth Proportional to 99,219,710.80, 148,829,566.20 and 73,710,542.80

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Solution

The fourth proportional to 99,219,710.80, 148,829,566.20 and 73,710,542.80 is: 110,565,814.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,219,710.80 : 148,829,566.20 = 73,710,542.80 : x
  2. Step 2: Convert to fraction form
    99,219,710.80/148,829,566.20 = 73,710,542.80/x
  3. Step 3: Cross multiply
    99,219,710.80x = 148,829,566.20 × 73,710,542.80
  4. Step 4: Simplify right side
    99,219,710.80x = 10,970,308,109,290,532
  5. Step 5: Solve for x
    x = 10,970,308,109,290,532/99,219,710.80
  6. Step 6: Final answer
    x = 110,565,814.20

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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.