Home / 103,874,566.76-143,342,595.76-56,831,409.44

Finding the Fourth Proportional to 103,874,566.76, 143,342,595.76 and 56,831,409.44

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Solution

The fourth proportional to 103,874,566.76, 143,342,595.76 and 56,831,409.44 is: 78,424,988.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,874,566.76 : 143,342,595.76 = 56,831,409.44 : x
  2. Step 2: Convert to fraction form
    103,874,566.76/143,342,595.76 = 56,831,409.44/x
  3. Step 3: Cross multiply
    103,874,566.76x = 143,342,595.76 × 56,831,409.44
  4. Step 4: Simplify right side
    103,874,566.76x = 8,146,361,749,828,967
  5. Step 5: Solve for x
    x = 8,146,361,749,828,967/103,874,566.76
  6. Step 6: Final answer
    x = 78,424,988.95

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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.