Home / 210,581,709,194.18-315,861,438,946.31-69,072,490,753.22

Finding the Fourth Proportional to 210,581,709,194.18, 315,861,438,946.31 and 69,072,490,753.22

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Solution

The fourth proportional to 210,581,709,194.18, 315,861,438,946.31 and 69,072,490,753.22 is: 103,605,087,091.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,581,709,194.18 : 315,861,438,946.31 = 69,072,490,753.22 : x
  2. Step 2: Convert to fraction form
    210,581,709,194.18/315,861,438,946.31 = 69,072,490,753.22/x
  3. Step 3: Cross multiply
    210,581,709,194.18x = 315,861,438,946.31 × 69,072,490,753.22
  4. Step 4: Simplify right side
    210,581,709,194.18x = 21,817,336,320,917,761,949,696
  5. Step 5: Solve for x
    x = 21,817,336,320,917,761,949,696/210,581,709,194.18
  6. Step 6: Final answer
    x = 103,605,087,091.40

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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.