Home / 89,828,286.30-134,742,429.45-87,308,862.30

Finding the Fourth Proportional to 89,828,286.30, 134,742,429.45 and 87,308,862.30

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Solution

The fourth proportional to 89,828,286.30, 134,742,429.45 and 87,308,862.30 is: 130,963,293.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,828,286.30 : 134,742,429.45 = 87,308,862.30 : x
  2. Step 2: Convert to fraction form
    89,828,286.30/134,742,429.45 = 87,308,862.30/x
  3. Step 3: Cross multiply
    89,828,286.30x = 134,742,429.45 × 87,308,862.30
  4. Step 4: Simplify right side
    89,828,286.30x = 11,764,208,218,817,514
  5. Step 5: Solve for x
    x = 11,764,208,218,817,514/89,828,286.30
  6. Step 6: Final answer
    x = 130,963,293.45

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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.