Home / 145,553,445.40-218,330,168.10-123,634,456.60

Finding the Fourth Proportional to 145,553,445.40, 218,330,168.10 and 123,634,456.60

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Solution

The fourth proportional to 145,553,445.40, 218,330,168.10 and 123,634,456.60 is: 185,451,684.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,553,445.40 : 218,330,168.10 = 123,634,456.60 : x
  2. Step 2: Convert to fraction form
    145,553,445.40/218,330,168.10 = 123,634,456.60/x
  3. Step 3: Cross multiply
    145,553,445.40x = 218,330,168.10 × 123,634,456.60
  4. Step 4: Simplify right side
    145,553,445.40x = 26,993,131,692,430,152
  5. Step 5: Solve for x
    x = 26,993,131,692,430,152/145,553,445.40
  6. Step 6: Final answer
    x = 185,451,684.90

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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.