Home / 177,412,941.40-266,119,412.10-129,637,197.40

Finding the Fourth Proportional to 177,412,941.40, 266,119,412.10 and 129,637,197.40

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Solution

The fourth proportional to 177,412,941.40, 266,119,412.10 and 129,637,197.40 is: 194,455,796.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,412,941.40 : 266,119,412.10 = 129,637,197.40 : x
  2. Step 2: Convert to fraction form
    177,412,941.40/266,119,412.10 = 129,637,197.40/x
  3. Step 3: Cross multiply
    177,412,941.40x = 266,119,412.10 × 129,637,197.40
  4. Step 4: Simplify right side
    177,412,941.40x = 34,498,974,758,379,648
  5. Step 5: Solve for x
    x = 34,498,974,758,379,648/177,412,941.40
  6. Step 6: Final answer
    x = 194,455,796.10

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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.