Home / 89,830,162.30-134,493,301.05-87,310,738.30

Finding the Fourth Proportional to 89,830,162.30, 134,493,301.05 and 87,310,738.30

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Solution

The fourth proportional to 89,830,162.30, 134,493,301.05 and 87,310,738.30 is: 130,721,231.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,830,162.30 : 134,493,301.05 = 87,310,738.30 : x
  2. Step 2: Convert to fraction form
    89,830,162.30/134,493,301.05 = 87,310,738.30/x
  3. Step 3: Cross multiply
    89,830,162.30x = 134,493,301.05 × 87,310,738.30
  4. Step 4: Simplify right side
    89,830,162.30x = 11,742,709,411,079,666
  5. Step 5: Solve for x
    x = 11,742,709,411,079,666/89,830,162.30
  6. Step 6: Final answer
    x = 130,721,231.16

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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.