Home / 145,709,333.40-218,540,059.63-52,316,971.63

Finding the Fourth Proportional to 145,709,333.40, 218,540,059.63 and 52,316,971.63

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Solution

The fourth proportional to 145,709,333.40, 218,540,059.63 and 52,316,971.63 is: 78,466,861.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,709,333.40 : 218,540,059.63 = 52,316,971.63 : x
  2. Step 2: Convert to fraction form
    145,709,333.40/218,540,059.63 = 52,316,971.63/x
  3. Step 3: Cross multiply
    145,709,333.40x = 218,540,059.63 × 52,316,971.63
  4. Step 4: Simplify right side
    145,709,333.40x = 11,433,354,100,227,568
  5. Step 5: Solve for x
    x = 11,433,354,100,227,568/145,709,333.40
  6. Step 6: Final answer
    x = 78,466,861.62

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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.