Home / 57,958,988.58-79,985,322.40-31,854,431.70

Finding the Fourth Proportional to 57,958,988.58, 79,985,322.40 and 31,854,431.70

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Solution

The fourth proportional to 57,958,988.58, 79,985,322.40 and 31,854,431.70 is: 43,960,169.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,958,988.58 : 79,985,322.40 = 31,854,431.70 : x
  2. Step 2: Convert to fraction form
    57,958,988.58/79,985,322.40 = 31,854,431.70/x
  3. Step 3: Cross multiply
    57,958,988.58x = 79,985,322.40 × 31,854,431.70
  4. Step 4: Simplify right side
    57,958,988.58x = 2,547,886,989,393,280
  5. Step 5: Solve for x
    x = 2,547,886,989,393,280/57,958,988.58
  6. Step 6: Final answer
    x = 43,960,169.97

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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.