Home / 212,869,794.40-319,211,379.60-97,816,098.40

Finding the Fourth Proportional to 212,869,794.40, 319,211,379.60 and 97,816,098.40

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Solution

The fourth proportional to 212,869,794.40, 319,211,379.60 and 97,816,098.40 is: 146,681,269.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,869,794.40 : 319,211,379.60 = 97,816,098.40 : x
  2. Step 2: Convert to fraction form
    212,869,794.40/319,211,379.60 = 97,816,098.40/x
  3. Step 3: Cross multiply
    212,869,794.40x = 319,211,379.60 × 97,816,098.40
  4. Step 4: Simplify right side
    212,869,794.40x = 31,224,011,717,353,356
  5. Step 5: Solve for x
    x = 31,224,011,717,353,356/212,869,794.40
  6. Step 6: Final answer
    x = 146,681,269.67

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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.