Home / 30,208,056.90-45,312,085.35-25,425,087.90

Finding the Fourth Proportional to 30,208,056.90, 45,312,085.35 and 25,425,087.90

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Solution

The fourth proportional to 30,208,056.90, 45,312,085.35 and 25,425,087.90 is: 38,137,631.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,208,056.90 : 45,312,085.35 = 25,425,087.90 : x
  2. Step 2: Convert to fraction form
    30,208,056.90/45,312,085.35 = 25,425,087.90/x
  3. Step 3: Cross multiply
    30,208,056.90x = 45,312,085.35 × 25,425,087.90
  4. Step 4: Simplify right side
    30,208,056.90x = 1,152,063,752,956,052.25
  5. Step 5: Solve for x
    x = 1,152,063,752,956,052.25/30,208,056.90
  6. Step 6: Final answer
    x = 38,137,631.85

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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.