Home / 126,029,555.60-189,044,333.40-30,291,443.60

Finding the Fourth Proportional to 126,029,555.60, 189,044,333.40 and 30,291,443.60

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Solution

The fourth proportional to 126,029,555.60, 189,044,333.40 and 30,291,443.60 is: 45,437,165.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,029,555.60 : 189,044,333.40 = 30,291,443.60 : x
  2. Step 2: Convert to fraction form
    126,029,555.60/189,044,333.40 = 30,291,443.60/x
  3. Step 3: Cross multiply
    126,029,555.60x = 189,044,333.40 × 30,291,443.60
  4. Step 4: Simplify right side
    126,029,555.60x = 5,726,425,763,085,697
  5. Step 5: Solve for x
    x = 5,726,425,763,085,697/126,029,555.60
  6. Step 6: Final answer
    x = 45,437,165.40

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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.