Home / 79,211,780.55-118,817,670.83-52,002,001.35

Finding the Fourth Proportional to 79,211,780.55, 118,817,670.83 and 52,002,001.35

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Solution

The fourth proportional to 79,211,780.55, 118,817,670.83 and 52,002,001.35 is: 78,003,002.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,211,780.55 : 118,817,670.83 = 52,002,001.35 : x
  2. Step 2: Convert to fraction form
    79,211,780.55/118,817,670.83 = 52,002,001.35/x
  3. Step 3: Cross multiply
    79,211,780.55x = 118,817,670.83 × 52,002,001.35
  4. Step 4: Simplify right side
    79,211,780.55x = 6,178,756,678,645,506
  5. Step 5: Solve for x
    x = 6,178,756,678,645,506/79,211,780.55
  6. Step 6: Final answer
    x = 78,003,002.03

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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.