Home / 180,752,645.12-249,421,220.64-101,370,929.28

Finding the Fourth Proportional to 180,752,645.12, 249,421,220.64 and 101,370,929.28

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Solution

The fourth proportional to 180,752,645.12, 249,421,220.64 and 101,370,929.28 is: 139,882,107.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,752,645.12 : 249,421,220.64 = 101,370,929.28 : x
  2. Step 2: Convert to fraction form
    180,752,645.12/249,421,220.64 = 101,370,929.28/x
  3. Step 3: Cross multiply
    180,752,645.12x = 249,421,220.64 × 101,370,929.28
  4. Step 4: Simplify right side
    180,752,645.12x = 25,284,060,918,428,716
  5. Step 5: Solve for x
    x = 25,284,060,918,428,716/180,752,645.12
  6. Step 6: Final answer
    x = 139,882,107.41

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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.