Home / 108,908,577.20-163,362,865.80-84,249,714.80

Finding the Fourth Proportional to 108,908,577.20, 163,362,865.80 and 84,249,714.80

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Solution

The fourth proportional to 108,908,577.20, 163,362,865.80 and 84,249,714.80 is: 126,374,572.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,908,577.20 : 163,362,865.80 = 84,249,714.80 : x
  2. Step 2: Convert to fraction form
    108,908,577.20/163,362,865.80 = 84,249,714.80/x
  3. Step 3: Cross multiply
    108,908,577.20x = 163,362,865.80 × 84,249,714.80
  4. Step 4: Simplify right side
    108,908,577.20x = 13,763,274,852,560,674
  5. Step 5: Solve for x
    x = 13,763,274,852,560,674/108,908,577.20
  6. Step 6: Final answer
    x = 126,374,572.20

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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.