Home / 30,208,043.40-45,312,065.10-25,425,074.40

Finding the Fourth Proportional to 30,208,043.40, 45,312,065.10 and 25,425,074.40

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Solution

The fourth proportional to 30,208,043.40, 45,312,065.10 and 25,425,074.40 is: 38,137,611.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,208,043.40 : 45,312,065.10 = 25,425,074.40 : x
  2. Step 2: Convert to fraction form
    30,208,043.40/45,312,065.10 = 25,425,074.40/x
  3. Step 3: Cross multiply
    30,208,043.40x = 45,312,065.10 × 25,425,074.40
  4. Step 4: Simplify right side
    30,208,043.40x = 1,152,062,626,385,143.50
  5. Step 5: Solve for x
    x = 1,152,062,626,385,143.50/30,208,043.40
  6. Step 6: Final answer
    x = 38,137,611.60

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Similar ratio
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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.