Home / 219,913,035.40-329,652,602.70-122,915,211.40

Finding the Fourth Proportional to 219,913,035.40, 329,652,602.70 and 122,915,211.40

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Solution

The fourth proportional to 219,913,035.40, 329,652,602.70 and 122,915,211.40 is: 184,251,557.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,913,035.40 : 329,652,602.70 = 122,915,211.40 : x
  2. Step 2: Convert to fraction form
    219,913,035.40/329,652,602.70 = 122,915,211.40/x
  3. Step 3: Cross multiply
    219,913,035.40x = 329,652,602.70 × 122,915,211.40
  4. Step 4: Simplify right side
    219,913,035.40x = 40,519,319,349,430,712
  5. Step 5: Solve for x
    x = 40,519,319,349,430,712/219,913,035.40
  6. Step 6: Final answer
    x = 184,251,557.78

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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.