Home / 180,636,241.71-249,258,021.89-100,166,210.29

Finding the Fourth Proportional to 180,636,241.71, 249,258,021.89 and 100,166,210.29

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Solution

The fourth proportional to 180,636,241.71, 249,258,021.89 and 100,166,210.29 is: 138,218,284.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,636,241.71 : 249,258,021.89 = 100,166,210.29 : x
  2. Step 2: Convert to fraction form
    180,636,241.71/249,258,021.89 = 100,166,210.29/x
  3. Step 3: Cross multiply
    180,636,241.71x = 249,258,021.89 × 100,166,210.29
  4. Step 4: Simplify right side
    180,636,241.71x = 24,967,231,437,103,164
  5. Step 5: Solve for x
    x = 24,967,231,437,103,164/180,636,241.71
  6. Step 6: Final answer
    x = 138,218,284.44

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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.