Home / 219,780,693.70-329,671,040.55-56,018,133.70

Finding the Fourth Proportional to 219,780,693.70, 329,671,040.55 and 56,018,133.70

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Solution

The fourth proportional to 219,780,693.70, 329,671,040.55 and 56,018,133.70 is: 84,027,200.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,780,693.70 : 329,671,040.55 = 56,018,133.70 : x
  2. Step 2: Convert to fraction form
    219,780,693.70/329,671,040.55 = 56,018,133.70/x
  3. Step 3: Cross multiply
    219,780,693.70x = 329,671,040.55 × 56,018,133.70
  4. Step 4: Simplify right side
    219,780,693.70x = 18,467,556,426,548,024
  5. Step 5: Solve for x
    x = 18,467,556,426,548,024/219,780,693.70
  6. Step 6: Final answer
    x = 84,027,200.55

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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.