Home / 52,886,720.10-79,330,080.15-30,169,913.70

Finding the Fourth Proportional to 52,886,720.10, 79,330,080.15 and 30,169,913.70

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Solution

The fourth proportional to 52,886,720.10, 79,330,080.15 and 30,169,913.70 is: 45,254,870.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,886,720.10 : 79,330,080.15 = 30,169,913.70 : x
  2. Step 2: Convert to fraction form
    52,886,720.10/79,330,080.15 = 30,169,913.70/x
  3. Step 3: Cross multiply
    52,886,720.10x = 79,330,080.15 × 30,169,913.70
  4. Step 4: Simplify right side
    52,886,720.10x = 2,393,381,671,939,583
  5. Step 5: Solve for x
    x = 2,393,381,671,939,583/52,886,720.10
  6. Step 6: Final answer
    x = 45,254,870.55

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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.