Home / 89,828,009.40-134,742,014.10-71,333,862.60

Finding the Fourth Proportional to 89,828,009.40, 134,742,014.10 and 71,333,862.60

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Solution

The fourth proportional to 89,828,009.40, 134,742,014.10 and 71,333,862.60 is: 107,000,793.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,828,009.40 : 134,742,014.10 = 71,333,862.60 : x
  2. Step 2: Convert to fraction form
    89,828,009.40/134,742,014.10 = 71,333,862.60/x
  3. Step 3: Cross multiply
    89,828,009.40x = 134,742,014.10 × 71,333,862.60
  4. Step 4: Simplify right side
    89,828,009.40x = 9,611,668,320,256,662
  5. Step 5: Solve for x
    x = 9,611,668,320,256,662/89,828,009.40
  6. Step 6: Final answer
    x = 107,000,793.90

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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.