Home / 98,423,438.10-147,634,379.55-25,640,078.10

Finding the Fourth Proportional to 98,423,438.10, 147,634,379.55 and 25,640,078.10

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Solution

The fourth proportional to 98,423,438.10, 147,634,379.55 and 25,640,078.10 is: 38,459,914.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,423,438.10 : 147,634,379.55 = 25,640,078.10 : x
  2. Step 2: Convert to fraction form
    98,423,438.10/147,634,379.55 = 25,640,078.10/x
  3. Step 3: Cross multiply
    98,423,438.10x = 147,634,379.55 × 25,640,078.10
  4. Step 4: Simplify right side
    98,423,438.10x = 3,785,357,021,907,043.50
  5. Step 5: Solve for x
    x = 3,785,357,021,907,043.50/98,423,438.10
  6. Step 6: Final answer
    x = 38,459,914.58

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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.