Home / 129,380,041.40-194,014,074.90-52,677,577.40

Finding the Fourth Proportional to 129,380,041.40, 194,014,074.90 and 52,677,577.40

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Solution

The fourth proportional to 129,380,041.40, 194,014,074.90 and 52,677,577.40 is: 78,993,570.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,380,041.40 : 194,014,074.90 = 52,677,577.40 : x
  2. Step 2: Convert to fraction form
    129,380,041.40/194,014,074.90 = 52,677,577.40/x
  3. Step 3: Cross multiply
    129,380,041.40x = 194,014,074.90 × 52,677,577.40
  4. Step 4: Simplify right side
    129,380,041.40x = 10,220,191,447,234,148
  5. Step 5: Solve for x
    x = 10,220,191,447,234,148/129,380,041.40
  6. Step 6: Final answer
    x = 78,993,570.70

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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.