Home / 57,958,986.57-79,985,319.63-31,854,429.69

Finding the Fourth Proportional to 57,958,986.57, 79,985,319.63 and 31,854,429.69

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Solution

The fourth proportional to 57,958,986.57, 79,985,319.63 and 31,854,429.69 is: 43,960,167.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,958,986.57 : 79,985,319.63 = 31,854,429.69 : x
  2. Step 2: Convert to fraction form
    57,958,986.57/79,985,319.63 = 31,854,429.69/x
  3. Step 3: Cross multiply
    57,958,986.57x = 79,985,319.63 × 31,854,429.69
  4. Step 4: Simplify right side
    57,958,986.57x = 2,547,886,740,386,012
  5. Step 5: Solve for x
    x = 2,547,886,740,386,012/57,958,986.57
  6. Step 6: Final answer
    x = 43,960,167.20

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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.