Home / 272,970,059.60-409,455,089.40-78,887,806.40

Finding the Fourth Proportional to 272,970,059.60, 409,455,089.40 and 78,887,806.40

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Solution

The fourth proportional to 272,970,059.60, 409,455,089.40 and 78,887,806.40 is: 118,331,709.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,970,059.60 : 409,455,089.40 = 78,887,806.40 : x
  2. Step 2: Convert to fraction form
    272,970,059.60/409,455,089.40 = 78,887,806.40/x
  3. Step 3: Cross multiply
    272,970,059.60x = 409,455,089.40 × 78,887,806.40
  4. Step 4: Simplify right side
    272,970,059.60x = 32,301,013,822,081,892
  5. Step 5: Solve for x
    x = 32,301,013,822,081,892/272,970,059.60
  6. Step 6: Final answer
    x = 118,331,709.60

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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.