Home / 210,581,709,152.44-315,861,438,883.85-69,072,490,711.47

Finding the Fourth Proportional to 210,581,709,152.44, 315,861,438,883.85 and 69,072,490,711.47

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Solution

The fourth proportional to 210,581,709,152.44, 315,861,438,883.85 and 69,072,490,711.47 is: 103,605,087,028.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,581,709,152.44 : 315,861,438,883.85 = 69,072,490,711.47 : x
  2. Step 2: Convert to fraction form
    210,581,709,152.44/315,861,438,883.85 = 69,072,490,711.47/x
  3. Step 3: Cross multiply
    210,581,709,152.44x = 315,861,438,883.85 × 69,072,490,711.47
  4. Step 4: Simplify right side
    210,581,709,152.44x = 21,817,336,303,416,277,729,280
  5. Step 5: Solve for x
    x = 21,817,336,303,416,277,729,280/210,581,709,152.44
  6. Step 6: Final answer
    x = 103,605,087,028.82

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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.