Home / 140,157,802.48-193,411,913.64-80,614,571.46

Finding the Fourth Proportional to 140,157,802.48, 193,411,913.64 and 80,614,571.46

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Solution

The fourth proportional to 140,157,802.48, 193,411,913.64 and 80,614,571.46 is: 111,244,741.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,157,802.48 : 193,411,913.64 = 80,614,571.46 : x
  2. Step 2: Convert to fraction form
    140,157,802.48/193,411,913.64 = 80,614,571.46/x
  3. Step 3: Cross multiply
    140,157,802.48x = 193,411,913.64 × 80,614,571.46
  4. Step 4: Simplify right side
    140,157,802.48x = 15,591,818,533,347,126
  5. Step 5: Solve for x
    x = 15,591,818,533,347,126/140,157,802.48
  6. Step 6: Final answer
    x = 111,244,741.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.