Home / 115,918,271.10-173,877,406.65-87,007,880.70

Finding the Fourth Proportional to 115,918,271.10, 173,877,406.65 and 87,007,880.70

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Solution

The fourth proportional to 115,918,271.10, 173,877,406.65 and 87,007,880.70 is: 130,511,821.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,918,271.10 : 173,877,406.65 = 87,007,880.70 : x
  2. Step 2: Convert to fraction form
    115,918,271.10/173,877,406.65 = 87,007,880.70/x
  3. Step 3: Cross multiply
    115,918,271.10x = 173,877,406.65 × 87,007,880.70
  4. Step 4: Simplify right side
    115,918,271.10x = 15,128,704,654,228,588
  5. Step 5: Solve for x
    x = 15,128,704,654,228,588/115,918,271.10
  6. Step 6: Final answer
    x = 130,511,821.05

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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.