Home / 153,243,021.80-229,863,927.90-45,537,645.80

Finding the Fourth Proportional to 153,243,021.80, 229,863,927.90 and 45,537,645.80

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Solution

The fourth proportional to 153,243,021.80, 229,863,927.90 and 45,537,645.80 is: 68,306,288.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,243,021.80 : 229,863,927.90 = 45,537,645.80 : x
  2. Step 2: Convert to fraction form
    153,243,021.80/229,863,927.90 = 45,537,645.80/x
  3. Step 3: Cross multiply
    153,243,021.80x = 229,863,927.90 × 45,537,645.80
  4. Step 4: Simplify right side
    153,243,021.80x = 10,467,462,130,906,938
  5. Step 5: Solve for x
    x = 10,467,462,130,906,938/153,243,021.80
  6. Step 6: Final answer
    x = 68,306,288.98

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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.