Home / 180,559,130.61-249,247,876.13-121,901,248.22

Finding the Fourth Proportional to 180,559,130.61, 249,247,876.13 and 121,901,248.22

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Solution

The fourth proportional to 180,559,130.61, 249,247,876.13 and 121,901,248.22 is: 168,275,218.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,559,130.61 : 249,247,876.13 = 121,901,248.22 : x
  2. Step 2: Convert to fraction form
    180,559,130.61/249,247,876.13 = 121,901,248.22/x
  3. Step 3: Cross multiply
    180,559,130.61x = 249,247,876.13 × 121,901,248.22
  4. Step 4: Simplify right side
    180,559,130.61x = 30,383,627,215,821,436
  5. Step 5: Solve for x
    x = 30,383,627,215,821,436/180,559,130.61
  6. Step 6: Final answer
    x = 168,275,218.84

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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.