Home / 64,513,445.40-96,770,168.10-19,071,192.60

Finding the Fourth Proportional to 64,513,445.40, 96,770,168.10 and 19,071,192.60

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Solution

The fourth proportional to 64,513,445.40, 96,770,168.10 and 19,071,192.60 is: 28,606,788.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,513,445.40 : 96,770,168.10 = 19,071,192.60 : x
  2. Step 2: Convert to fraction form
    64,513,445.40/96,770,168.10 = 19,071,192.60/x
  3. Step 3: Cross multiply
    64,513,445.40x = 96,770,168.10 × 19,071,192.60
  4. Step 4: Simplify right side
    64,513,445.40x = 1,845,522,513,769,476
  5. Step 5: Solve for x
    x = 1,845,522,513,769,476/64,513,445.40
  6. Step 6: Final answer
    x = 28,606,788.90

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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.