Home / 57,958,987.07-79,985,320.32-31,854,430.19

Finding the Fourth Proportional to 57,958,987.07, 79,985,320.32 and 31,854,430.19

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Solution

The fourth proportional to 57,958,987.07, 79,985,320.32 and 31,854,430.19 is: 43,960,167.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,958,987.07 : 79,985,320.32 = 31,854,430.19 : x
  2. Step 2: Convert to fraction form
    57,958,987.07/79,985,320.32 = 31,854,430.19/x
  3. Step 3: Cross multiply
    57,958,987.07x = 79,985,320.32 × 31,854,430.19
  4. Step 4: Simplify right side
    57,958,987.07x = 2,547,886,802,358,228.50
  5. Step 5: Solve for x
    x = 2,547,886,802,358,228.50/57,958,987.07
  6. Step 6: Final answer
    x = 43,960,167.89

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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.