Home / 163,545,258.51-225,692,457.47-89,205,815.21

Finding the Fourth Proportional to 163,545,258.51, 225,692,457.47 and 89,205,815.21

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Solution

The fourth proportional to 163,545,258.51, 225,692,457.47 and 89,205,815.21 is: 123,104,025.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,545,258.51 : 225,692,457.47 = 89,205,815.21 : x
  2. Step 2: Convert to fraction form
    163,545,258.51/225,692,457.47 = 89,205,815.21/x
  3. Step 3: Cross multiply
    163,545,258.51x = 225,692,457.47 × 89,205,815.21
  4. Step 4: Simplify right side
    163,545,258.51x = 20,133,079,654,119,636
  5. Step 5: Solve for x
    x = 20,133,079,654,119,636/163,545,258.51
  6. Step 6: Final answer
    x = 123,104,025.38

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1.5x scale

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.