Home / 153,383,572.80-230,075,359.20-72,762,004.80

Finding the Fourth Proportional to 153,383,572.80, 230,075,359.20 and 72,762,004.80

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Solution

The fourth proportional to 153,383,572.80, 230,075,359.20 and 72,762,004.80 is: 109,143,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,383,572.80 : 230,075,359.20 = 72,762,004.80 : x
  2. Step 2: Convert to fraction form
    153,383,572.80/230,075,359.20 = 72,762,004.80/x
  3. Step 3: Cross multiply
    153,383,572.80x = 230,075,359.20 × 72,762,004.80
  4. Step 4: Simplify right side
    153,383,572.80x = 16,740,744,390,472,122
  5. Step 5: Solve for x
    x = 16,740,744,390,472,122/153,383,572.80
  6. Step 6: Final answer
    x = 109,143,007.20

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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.