Home / 218,059,009.16-300,925,048.88-118,939,782.40

Finding the Fourth Proportional to 218,059,009.16, 300,925,048.88 and 118,939,782.40

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Solution

The fourth proportional to 218,059,009.16, 300,925,048.88 and 118,939,782.40 is: 164,138,872.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,059,009.16 : 300,925,048.88 = 118,939,782.40 : x
  2. Step 2: Convert to fraction form
    218,059,009.16/300,925,048.88 = 118,939,782.40/x
  3. Step 3: Cross multiply
    218,059,009.16x = 300,925,048.88 × 118,939,782.40
  4. Step 4: Simplify right side
    218,059,009.16x = 35,791,959,832,496,564
  5. Step 5: Solve for x
    x = 35,791,959,832,496,564/218,059,009.16
  6. Step 6: Final answer
    x = 164,138,872.18

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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.