Home / 93,574,019.40-140,361,029.10-78,793,398.60

Finding the Fourth Proportional to 93,574,019.40, 140,361,029.10 and 78,793,398.60

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Solution

The fourth proportional to 93,574,019.40, 140,361,029.10 and 78,793,398.60 is: 118,190,097.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,574,019.40 : 140,361,029.10 = 78,793,398.60 : x
  2. Step 2: Convert to fraction form
    93,574,019.40/140,361,029.10 = 78,793,398.60/x
  3. Step 3: Cross multiply
    93,574,019.40x = 140,361,029.10 × 78,793,398.60
  4. Step 4: Simplify right side
    93,574,019.40x = 11,059,522,513,782,498
  5. Step 5: Solve for x
    x = 11,059,522,513,782,498/93,574,019.40
  6. Step 6: Final answer
    x = 118,190,097.90

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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.