Home / 58,266,051.20-87,399,076.80-19,918,318.40

Finding the Fourth Proportional to 58,266,051.20, 87,399,076.80 and 19,918,318.40

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Solution

The fourth proportional to 58,266,051.20, 87,399,076.80 and 19,918,318.40 is: 29,877,477.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,266,051.20 : 87,399,076.80 = 19,918,318.40 : x
  2. Step 2: Convert to fraction form
    58,266,051.20/87,399,076.80 = 19,918,318.40/x
  3. Step 3: Cross multiply
    58,266,051.20x = 87,399,076.80 × 19,918,318.40
  4. Step 4: Simplify right side
    58,266,051.20x = 1,740,842,639,568,453
  5. Step 5: Solve for x
    x = 1,740,842,639,568,453/58,266,051.20
  6. Step 6: Final answer
    x = 29,877,477.60

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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.