Home / 161,642,742,121.66-223,068,427,510.08-89,389,696,029.34

Finding the Fourth Proportional to 161,642,742,121.66, 223,068,427,510.08 and 89,389,696,029.34

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Solution

The fourth proportional to 161,642,742,121.66, 223,068,427,510.08 and 89,389,696,029.34 is: 123,358,578,722.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,642,742,121.66 : 223,068,427,510.08 = 89,389,696,029.34 : x
  2. Step 2: Convert to fraction form
    161,642,742,121.66/223,068,427,510.08 = 89,389,696,029.34/x
  3. Step 3: Cross multiply
    161,642,742,121.66x = 223,068,427,510.08 × 89,389,696,029.34
  4. Step 4: Simplify right side
    161,642,742,121.66x = 19,940,018,928,868,915,150,848
  5. Step 5: Solve for x
    x = 19,940,018,928,868,915,150,848/161,642,742,121.66
  6. Step 6: Final answer
    x = 123,358,578,722.09

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1.5x scale

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.