Home / 153,243,020.80-229,863,926.40-45,537,644.80

Finding the Fourth Proportional to 153,243,020.80, 229,863,926.40 and 45,537,644.80

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Solution

The fourth proportional to 153,243,020.80, 229,863,926.40 and 45,537,644.80 is: 68,306,287.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,243,020.80 : 229,863,926.40 = 45,537,644.80 : x
  2. Step 2: Convert to fraction form
    153,243,020.80/229,863,926.40 = 45,537,644.80/x
  3. Step 3: Cross multiply
    153,243,020.80x = 229,863,926.40 × 45,537,644.80
  4. Step 4: Simplify right side
    153,243,020.80x = 10,467,461,832,736,542
  5. Step 5: Solve for x
    x = 10,467,461,832,736,542/153,243,020.80
  6. Step 6: Final answer
    x = 68,306,287.48

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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.