Home / 115,031,628.40-172,547,442.60-89,333,503.60

Finding the Fourth Proportional to 115,031,628.40, 172,547,442.60 and 89,333,503.60

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Solution

The fourth proportional to 115,031,628.40, 172,547,442.60 and 89,333,503.60 is: 134,000,255.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,031,628.40 : 172,547,442.60 = 89,333,503.60 : x
  2. Step 2: Convert to fraction form
    115,031,628.40/172,547,442.60 = 89,333,503.60/x
  3. Step 3: Cross multiply
    115,031,628.40x = 172,547,442.60 × 89,333,503.60
  4. Step 4: Simplify right side
    115,031,628.40x = 15,414,267,584,677,892
  5. Step 5: Solve for x
    x = 15,414,267,584,677,892/115,031,628.40
  6. Step 6: Final answer
    x = 134,000,255.40

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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.