Home / 212,869,792.40-319,211,376.60-97,816,096.40

Finding the Fourth Proportional to 212,869,792.40, 319,211,376.60 and 97,816,096.40

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Solution

The fourth proportional to 212,869,792.40, 319,211,376.60 and 97,816,096.40 is: 146,681,266.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,869,792.40 : 319,211,376.60 = 97,816,096.40 : x
  2. Step 2: Convert to fraction form
    212,869,792.40/319,211,376.60 = 97,816,096.40/x
  3. Step 3: Cross multiply
    212,869,792.40x = 319,211,376.60 × 97,816,096.40
  4. Step 4: Simplify right side
    212,869,792.40x = 31,224,010,785,482,308
  5. Step 5: Solve for x
    x = 31,224,010,785,482,308/212,869,792.40
  6. Step 6: Final answer
    x = 146,681,266.67

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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.