Home / 42,575,722.93-63,630,322.07-31,085,415.69

Finding the Fourth Proportional to 42,575,722.93, 63,630,322.07 and 31,085,415.69

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Solution

The fourth proportional to 42,575,722.93, 63,630,322.07 and 31,085,415.69 is: 46,457,813.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,575,722.93 : 63,630,322.07 = 31,085,415.69 : x
  2. Step 2: Convert to fraction form
    42,575,722.93/63,630,322.07 = 31,085,415.69/x
  3. Step 3: Cross multiply
    42,575,722.93x = 63,630,322.07 × 31,085,415.69
  4. Step 4: Simplify right side
    42,575,722.93x = 1,977,975,012,034,531.25
  5. Step 5: Solve for x
    x = 1,977,975,012,034,531.25/42,575,722.93
  6. Step 6: Final answer
    x = 46,457,813.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.