Home / 219,903,330.60-329,854,995.90-83,570,999.40

Finding the Fourth Proportional to 219,903,330.60, 329,854,995.90 and 83,570,999.40

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Solution

The fourth proportional to 219,903,330.60, 329,854,995.90 and 83,570,999.40 is: 125,356,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,903,330.60 : 329,854,995.90 = 83,570,999.40 : x
  2. Step 2: Convert to fraction form
    219,903,330.60/329,854,995.90 = 83,570,999.40/x
  3. Step 3: Cross multiply
    219,903,330.60x = 329,854,995.90 × 83,570,999.40
  4. Step 4: Simplify right side
    219,903,330.60x = 27,566,311,664,445,904
  5. Step 5: Solve for x
    x = 27,566,311,664,445,904/219,903,330.60
  6. Step 6: Final answer
    x = 125,356,499.10

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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.