Home / 192,918,271.80-289,713,330.90-102,219,007.80

Finding the Fourth Proportional to 192,918,271.80, 289,713,330.90 and 102,219,007.80

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Solution

The fourth proportional to 192,918,271.80, 289,713,330.90 and 102,219,007.80 is: 153,506,502.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,918,271.80 : 289,713,330.90 = 102,219,007.80 : x
  2. Step 2: Convert to fraction form
    192,918,271.80/289,713,330.90 = 102,219,007.80/x
  3. Step 3: Cross multiply
    192,918,271.80x = 289,713,330.90 × 102,219,007.80
  4. Step 4: Simplify right side
    192,918,271.80x = 29,614,209,231,031,076
  5. Step 5: Solve for x
    x = 29,614,209,231,031,076/192,918,271.80
  6. Step 6: Final answer
    x = 153,506,502.80

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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.