Home / 121,126,604.80-181,689,907.20-88,602,415.60

Finding the Fourth Proportional to 121,126,604.80, 181,689,907.20 and 88,602,415.60

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Solution

The fourth proportional to 121,126,604.80, 181,689,907.20 and 88,602,415.60 is: 132,903,623.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,126,604.80 : 181,689,907.20 = 88,602,415.60 : x
  2. Step 2: Convert to fraction form
    121,126,604.80/181,689,907.20 = 88,602,415.60/x
  3. Step 3: Cross multiply
    121,126,604.80x = 181,689,907.20 × 88,602,415.60
  4. Step 4: Simplify right side
    121,126,604.80x = 16,098,164,668,059,830
  5. Step 5: Solve for x
    x = 16,098,164,668,059,830/121,126,604.80
  6. Step 6: Final answer
    x = 132,903,623.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.