Home / 198,227,801.60-297,341,702.40-147,209,465.60

Finding the Fourth Proportional to 198,227,801.60, 297,341,702.40 and 147,209,465.60

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Solution

The fourth proportional to 198,227,801.60, 297,341,702.40 and 147,209,465.60 is: 220,814,198.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,227,801.60 : 297,341,702.40 = 147,209,465.60 : x
  2. Step 2: Convert to fraction form
    198,227,801.60/297,341,702.40 = 147,209,465.60/x
  3. Step 3: Cross multiply
    198,227,801.60x = 297,341,702.40 × 147,209,465.60
  4. Step 4: Simplify right side
    198,227,801.60x = 43,771,513,110,898,232
  5. Step 5: Solve for x
    x = 43,771,513,110,898,232/198,227,801.60
  6. Step 6: Final answer
    x = 220,814,198.40

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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.