Home / 153,243,603.20-229,865,404.80-145,685,331.20

Finding the Fourth Proportional to 153,243,603.20, 229,865,404.80 and 145,685,331.20

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Solution

The fourth proportional to 153,243,603.20, 229,865,404.80 and 145,685,331.20 is: 218,527,996.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,243,603.20 : 229,865,404.80 = 145,685,331.20 : x
  2. Step 2: Convert to fraction form
    153,243,603.20/229,865,404.80 = 145,685,331.20/x
  3. Step 3: Cross multiply
    153,243,603.20x = 229,865,404.80 × 145,685,331.20
  4. Step 4: Simplify right side
    153,243,603.20x = 33,488,017,629,710,068
  5. Step 5: Solve for x
    x = 33,488,017,629,710,068/153,243,603.20
  6. Step 6: Final answer
    x = 218,527,996.80

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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.