Home / 55,186,780.10-82,709,311.35-42,343,622.60

Finding the Fourth Proportional to 55,186,780.10, 82,709,311.35 and 42,343,622.60

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Solution

The fourth proportional to 55,186,780.10, 82,709,311.35 and 42,343,622.60 is: 63,461,065.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,186,780.10 : 82,709,311.35 = 42,343,622.60 : x
  2. Step 2: Convert to fraction form
    55,186,780.10/82,709,311.35 = 42,343,622.60/x
  3. Step 3: Cross multiply
    55,186,780.10x = 82,709,311.35 × 42,343,622.60
  4. Step 4: Simplify right side
    55,186,780.10x = 3,502,211,865,310,296.50
  5. Step 5: Solve for x
    x = 3,502,211,865,310,296.50/55,186,780.10
  6. Step 6: Final answer
    x = 63,461,065.48

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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.