Home / 173,430,981.22-260,289,585.81-87,193,897.06

Finding the Fourth Proportional to 173,430,981.22, 260,289,585.81 and 87,193,897.06

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Solution

The fourth proportional to 173,430,981.22, 260,289,585.81 and 87,193,897.06 is: 130,862,797.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,430,981.22 : 260,289,585.81 = 87,193,897.06 : x
  2. Step 2: Convert to fraction form
    173,430,981.22/260,289,585.81 = 87,193,897.06/x
  3. Step 3: Cross multiply
    173,430,981.22x = 260,289,585.81 × 87,193,897.06
  4. Step 4: Simplify right side
    173,430,981.22x = 22,695,663,350,907,176
  5. Step 5: Solve for x
    x = 22,695,663,350,907,176/173,430,981.22
  6. Step 6: Final answer
    x = 130,862,797.36

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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.