Home / 99,429,806,678.40-149,144,710,017.60-68,048,747,069.40

Finding the Fourth Proportional to 99,429,806,678.40, 149,144,710,017.60 and 68,048,747,069.40

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Solution

The fourth proportional to 99,429,806,678.40, 149,144,710,017.60 and 68,048,747,069.40 is: 102,073,120,604.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,429,806,678.40 : 149,144,710,017.60 = 68,048,747,069.40 : x
  2. Step 2: Convert to fraction form
    99,429,806,678.40/149,144,710,017.60 = 68,048,747,069.40/x
  3. Step 3: Cross multiply
    99,429,806,678.40x = 149,144,710,017.60 × 68,048,747,069.40
  4. Step 4: Simplify right side
    99,429,806,678.40x = 10,149,110,648,726,670,540,800
  5. Step 5: Solve for x
    x = 10,149,110,648,726,670,540,800/99,429,806,678.40
  6. Step 6: Final answer
    x = 102,073,120,604.10

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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.