Home / 57,680,299.61-79,598,807.55-31,574,835.12

Finding the Fourth Proportional to 57,680,299.61, 79,598,807.55 and 31,574,835.12

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Solution

The fourth proportional to 57,680,299.61, 79,598,807.55 and 31,574,835.12 is: 43,573,269.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,680,299.61 : 79,598,807.55 = 31,574,835.12 : x
  2. Step 2: Convert to fraction form
    57,680,299.61/79,598,807.55 = 31,574,835.12/x
  3. Step 3: Cross multiply
    57,680,299.61x = 79,598,807.55 × 31,574,835.12
  4. Step 4: Simplify right side
    57,680,299.61x = 2,513,319,224,139,861
  5. Step 5: Solve for x
    x = 2,513,319,224,139,861/57,680,299.61
  6. Step 6: Final answer
    x = 43,573,269.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.