Home / 180,636,240.71-249,258,020.51-100,166,209.29

Finding the Fourth Proportional to 180,636,240.71, 249,258,020.51 and 100,166,209.29

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Solution

The fourth proportional to 180,636,240.71, 249,258,020.51 and 100,166,209.29 is: 138,218,283.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,636,240.71 : 249,258,020.51 = 100,166,209.29 : x
  2. Step 2: Convert to fraction form
    180,636,240.71/249,258,020.51 = 100,166,209.29/x
  3. Step 3: Cross multiply
    180,636,240.71x = 249,258,020.51 × 100,166,209.29
  4. Step 4: Simplify right side
    180,636,240.71x = 24,967,231,049,866,188
  5. Step 5: Solve for x
    x = 24,967,231,049,866,188/180,636,240.71
  6. Step 6: Final answer
    x = 138,218,283.06

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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.