Home / 161,642,742,120.66-223,068,427,508.70-89,389,696,028.34

Finding the Fourth Proportional to 161,642,742,120.66, 223,068,427,508.70 and 89,389,696,028.34

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Solution

The fourth proportional to 161,642,742,120.66, 223,068,427,508.70 and 89,389,696,028.34 is: 123,358,578,720.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,642,742,120.66 : 223,068,427,508.70 = 89,389,696,028.34 : x
  2. Step 2: Convert to fraction form
    161,642,742,120.66/223,068,427,508.70 = 89,389,696,028.34/x
  3. Step 3: Cross multiply
    161,642,742,120.66x = 223,068,427,508.70 × 89,389,696,028.34
  4. Step 4: Simplify right side
    161,642,742,120.66x = 19,940,018,928,522,490,806,272
  5. Step 5: Solve for x
    x = 19,940,018,928,522,490,806,272/161,642,742,120.66
  6. Step 6: Final answer
    x = 123,358,578,720.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.