Home / 66,431,312.70-99,662,715.45-34,088,207.10

Finding the Fourth Proportional to 66,431,312.70, 99,662,715.45 and 34,088,207.10

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Solution

The fourth proportional to 66,431,312.70, 99,662,715.45 and 34,088,207.10 is: 51,140,390.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,431,312.70 : 99,662,715.45 = 34,088,207.10 : x
  2. Step 2: Convert to fraction form
    66,431,312.70/99,662,715.45 = 34,088,207.10/x
  3. Step 3: Cross multiply
    66,431,312.70x = 99,662,715.45 × 34,088,207.10
  4. Step 4: Simplify right side
    66,431,312.70x = 3,397,323,284,407,970
  5. Step 5: Solve for x
    x = 3,397,323,284,407,970/66,431,312.70
  6. Step 6: Final answer
    x = 51,140,390.67

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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.