Home / 154,525,793,421.80-231,788,690,132.70-129,730,882,125.80

Finding the Fourth Proportional to 154,525,793,421.80, 231,788,690,132.70 and 129,730,882,125.80

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Solution

The fourth proportional to 154,525,793,421.80, 231,788,690,132.70 and 129,730,882,125.80 is: 194,596,323,188.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,525,793,421.80 : 231,788,690,132.70 = 129,730,882,125.80 : x
  2. Step 2: Convert to fraction form
    154,525,793,421.80/231,788,690,132.70 = 129,730,882,125.80/x
  3. Step 3: Cross multiply
    154,525,793,421.80x = 231,788,690,132.70 × 129,730,882,125.80
  4. Step 4: Simplify right side
    154,525,793,421.80x = 30,070,151,237,698,888,663,040
  5. Step 5: Solve for x
    x = 30,070,151,237,698,888,663,040/154,525,793,421.80
  6. Step 6: Final answer
    x = 194,596,323,188.70

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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.