Home / 161,888,148.36-223,402,854.78-91,323,911.16

Finding the Fourth Proportional to 161,888,148.36, 223,402,854.78 and 91,323,911.16

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Solution

The fourth proportional to 161,888,148.36, 223,402,854.78 and 91,323,911.16 is: 126,025,423.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,888,148.36 : 223,402,854.78 = 91,323,911.16 : x
  2. Step 2: Convert to fraction form
    161,888,148.36/223,402,854.78 = 91,323,911.16/x
  3. Step 3: Cross multiply
    161,888,148.36x = 223,402,854.78 × 91,323,911.16
  4. Step 4: Simplify right side
    161,888,148.36x = 20,402,022,462,819,100
  5. Step 5: Solve for x
    x = 20,402,022,462,819,100/161,888,148.36
  6. Step 6: Final answer
    x = 126,025,423.54

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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.