Home / 74,987,379.04-112,371,022.92-42,261,657.52

Finding the Fourth Proportional to 74,987,379.04, 112,371,022.92 and 42,261,657.52

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Solution

The fourth proportional to 74,987,379.04, 112,371,022.92 and 42,261,657.52 is: 63,330,466.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,987,379.04 : 112,371,022.92 = 42,261,657.52 : x
  2. Step 2: Convert to fraction form
    74,987,379.04/112,371,022.92 = 42,261,657.52/x
  3. Step 3: Cross multiply
    74,987,379.04x = 112,371,022.92 × 42,261,657.52
  4. Step 4: Simplify right side
    74,987,379.04x = 4,748,985,685,817,111
  5. Step 5: Solve for x
    x = 4,748,985,685,817,111/74,987,379.04
  6. Step 6: Final answer
    x = 63,330,466.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.