Home / 163,068,998.40-225,044,529.21-93,465,973.80

Finding the Fourth Proportional to 163,068,998.40, 225,044,529.21 and 93,465,973.80

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Solution

The fourth proportional to 163,068,998.40, 225,044,529.21 and 93,465,973.80 is: 128,988,380.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,068,998.40 : 225,044,529.21 = 93,465,973.80 : x
  2. Step 2: Convert to fraction form
    163,068,998.40/225,044,529.21 = 93,465,973.80/x
  3. Step 3: Cross multiply
    163,068,998.40x = 225,044,529.21 × 93,465,973.80
  4. Step 4: Simplify right side
    163,068,998.40x = 21,034,006,070,975,196
  5. Step 5: Solve for x
    x = 21,034,006,070,975,196/163,068,998.40
  6. Step 6: Final answer
    x = 128,988,380.85

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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.