Home / 288,468,088.40-432,702,132.60-180,972,664.40

Finding the Fourth Proportional to 288,468,088.40, 432,702,132.60 and 180,972,664.40

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Solution

The fourth proportional to 288,468,088.40, 432,702,132.60 and 180,972,664.40 is: 271,458,996.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,468,088.40 : 432,702,132.60 = 180,972,664.40 : x
  2. Step 2: Convert to fraction form
    288,468,088.40/432,702,132.60 = 180,972,664.40/x
  3. Step 3: Cross multiply
    288,468,088.40x = 432,702,132.60 × 180,972,664.40
  4. Step 4: Simplify right side
    288,468,088.40x = 78,307,257,828,184,112
  5. Step 5: Solve for x
    x = 78,307,257,828,184,112/288,468,088.40
  6. Step 6: Final answer
    x = 271,458,996.60

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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.