Home / 265,693,685.10-366,730,213.05-154,220,439.12

Finding the Fourth Proportional to 265,693,685.10, 366,730,213.05 and 154,220,439.12

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Solution

The fourth proportional to 265,693,685.10, 366,730,213.05 and 154,220,439.12 is: 212,866,536.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,693,685.10 : 366,730,213.05 = 154,220,439.12 : x
  2. Step 2: Convert to fraction form
    265,693,685.10/366,730,213.05 = 154,220,439.12/x
  3. Step 3: Cross multiply
    265,693,685.10x = 366,730,213.05 × 154,220,439.12
  4. Step 4: Simplify right side
    265,693,685.10x = 56,557,294,495,142,160
  5. Step 5: Solve for x
    x = 56,557,294,495,142,160/265,693,685.10
  6. Step 6: Final answer
    x = 212,866,536.42

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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.