Home / 108,869,921.10-163,304,881.65-40,698,506.70

Finding the Fourth Proportional to 108,869,921.10, 163,304,881.65 and 40,698,506.70

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Solution

The fourth proportional to 108,869,921.10, 163,304,881.65 and 40,698,506.70 is: 61,047,760.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,869,921.10 : 163,304,881.65 = 40,698,506.70 : x
  2. Step 2: Convert to fraction form
    108,869,921.10/163,304,881.65 = 40,698,506.70/x
  3. Step 3: Cross multiply
    108,869,921.10x = 163,304,881.65 × 40,698,506.70
  4. Step 4: Simplify right side
    108,869,921.10x = 6,646,264,819,975,233
  5. Step 5: Solve for x
    x = 6,646,264,819,975,233/108,869,921.10
  6. Step 6: Final answer
    x = 61,047,760.05

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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.