Home / 115,032,000.40-172,548,000.60-89,333,875.60

Finding the Fourth Proportional to 115,032,000.40, 172,548,000.60 and 89,333,875.60

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Solution

The fourth proportional to 115,032,000.40, 172,548,000.60 and 89,333,875.60 is: 134,000,813.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,032,000.40 : 172,548,000.60 = 89,333,875.60 : x
  2. Step 2: Convert to fraction form
    115,032,000.40/172,548,000.60 = 89,333,875.60/x
  3. Step 3: Cross multiply
    115,032,000.40x = 172,548,000.60 × 89,333,875.60
  4. Step 4: Simplify right side
    115,032,000.40x = 15,414,381,620,629,124
  5. Step 5: Solve for x
    x = 15,414,381,620,629,124/115,032,000.40
  6. Step 6: Final answer
    x = 134,000,813.40

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1.5x scale

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.