Home / 57,358,287.91-79,154,448.58-31,252,805.67

Finding the Fourth Proportional to 57,358,287.91, 79,154,448.58 and 31,252,805.67

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Solution

The fourth proportional to 57,358,287.91, 79,154,448.58 and 31,252,805.67 is: 43,128,877.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,358,287.91 : 79,154,448.58 = 31,252,805.67 : x
  2. Step 2: Convert to fraction form
    57,358,287.91/79,154,448.58 = 31,252,805.67/x
  3. Step 3: Cross multiply
    57,358,287.91x = 79,154,448.58 × 31,252,805.67
  4. Step 4: Simplify right side
    57,358,287.91x = 2,473,798,599,722,642.50
  5. Step 5: Solve for x
    x = 2,473,798,599,722,642.50/57,358,287.91
  6. Step 6: Final answer
    x = 43,128,877.97

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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.