Home / 104,383,820.90-156,573,683.87-42,133,479.37

Finding the Fourth Proportional to 104,383,820.90, 156,573,683.87 and 42,133,479.37

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Solution

The fourth proportional to 104,383,820.90, 156,573,683.87 and 42,133,479.37 is: 63,199,392.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,383,820.90 : 156,573,683.87 = 42,133,479.37 : x
  2. Step 2: Convert to fraction form
    104,383,820.90/156,573,683.87 = 42,133,479.37/x
  3. Step 3: Cross multiply
    104,383,820.90x = 156,573,683.87 × 42,133,479.37
  4. Step 4: Simplify right side
    104,383,820.90x = 6,596,994,079,221,547
  5. Step 5: Solve for x
    x = 6,596,994,079,221,547/104,383,820.90
  6. Step 6: Final answer
    x = 63,199,392.61

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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.