Home / 104,913,604.80-157,370,407.20-66,649,852.80

Finding the Fourth Proportional to 104,913,604.80, 157,370,407.20 and 66,649,852.80

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Solution

The fourth proportional to 104,913,604.80, 157,370,407.20 and 66,649,852.80 is: 99,974,779.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,913,604.80 : 157,370,407.20 = 66,649,852.80 : x
  2. Step 2: Convert to fraction form
    104,913,604.80/157,370,407.20 = 66,649,852.80/x
  3. Step 3: Cross multiply
    104,913,604.80x = 157,370,407.20 × 66,649,852.80
  4. Step 4: Simplify right side
    104,913,604.80x = 10,488,714,474,956,058
  5. Step 5: Solve for x
    x = 10,488,714,474,956,058/104,913,604.80
  6. Step 6: Final answer
    x = 99,974,779.20

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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.