Home / 217,258,421.87-299,822,304.47-118,144,966.03

Finding the Fourth Proportional to 217,258,421.87, 299,822,304.47 and 118,144,966.03

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Solution

The fourth proportional to 217,258,421.87, 299,822,304.47 and 118,144,966.03 is: 163,043,143.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,258,421.87 : 299,822,304.47 = 118,144,966.03 : x
  2. Step 2: Convert to fraction form
    217,258,421.87/299,822,304.47 = 118,144,966.03/x
  3. Step 3: Cross multiply
    217,258,421.87x = 299,822,304.47 × 118,144,966.03
  4. Step 4: Simplify right side
    217,258,421.87x = 35,422,495,975,304,184
  5. Step 5: Solve for x
    x = 35,422,495,975,304,184/217,258,421.87
  6. Step 6: Final answer
    x = 163,043,143.14

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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.