Home / 154,525,793,312.80-231,788,689,969.20-129,730,882,016.80

Finding the Fourth Proportional to 154,525,793,312.80, 231,788,689,969.20 and 129,730,882,016.80

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Solution

The fourth proportional to 154,525,793,312.80, 231,788,689,969.20 and 129,730,882,016.80 is: 194,596,323,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,525,793,312.80 : 231,788,689,969.20 = 129,730,882,016.80 : x
  2. Step 2: Convert to fraction form
    154,525,793,312.80/231,788,689,969.20 = 129,730,882,016.80/x
  3. Step 3: Cross multiply
    154,525,793,312.80x = 231,788,689,969.20 × 129,730,882,016.80
  4. Step 4: Simplify right side
    154,525,793,312.80x = 30,070,151,191,222,921,723,904
  5. Step 5: Solve for x
    x = 30,070,151,191,222,921,723,904/154,525,793,312.80
  6. Step 6: Final answer
    x = 194,596,323,025.20

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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.