Home / 197,214,574.96-272,161,167.78-118,903,149.64

Finding the Fourth Proportional to 197,214,574.96, 272,161,167.78 and 118,903,149.64

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Solution

The fourth proportional to 197,214,574.96, 272,161,167.78 and 118,903,149.64 is: 164,089,393.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,214,574.96 : 272,161,167.78 = 118,903,149.64 : x
  2. Step 2: Convert to fraction form
    197,214,574.96/272,161,167.78 = 118,903,149.64/x
  3. Step 3: Cross multiply
    197,214,574.96x = 272,161,167.78 × 118,903,149.64
  4. Step 4: Simplify right side
    197,214,574.96x = 32,360,820,058,742,484
  5. Step 5: Solve for x
    x = 32,360,820,058,742,484/197,214,574.96
  6. Step 6: Final answer
    x = 164,089,393.83

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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.