Home / 89,830,154.80-134,493,289.80-87,310,730.80

Finding the Fourth Proportional to 89,830,154.80, 134,493,289.80 and 87,310,730.80

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Solution

The fourth proportional to 89,830,154.80, 134,493,289.80 and 87,310,730.80 is: 130,721,219.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,830,154.80 : 134,493,289.80 = 87,310,730.80 : x
  2. Step 2: Convert to fraction form
    89,830,154.80/134,493,289.80 = 87,310,730.80/x
  3. Step 3: Cross multiply
    89,830,154.80x = 134,493,289.80 × 87,310,730.80
  4. Step 4: Simplify right side
    89,830,154.80x = 11,742,707,420,134,186
  5. Step 5: Solve for x
    x = 11,742,707,420,134,186/89,830,154.80
  6. Step 6: Final answer
    x = 130,721,219.91

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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.