Home / 272,549,334.36-376,116,168.07-148,790,011.49

Finding the Fourth Proportional to 272,549,334.36, 376,116,168.07 and 148,790,011.49

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Solution

The fourth proportional to 272,549,334.36, 376,116,168.07 and 148,790,011.49 is: 205,329,171.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,549,334.36 : 376,116,168.07 = 148,790,011.49 : x
  2. Step 2: Convert to fraction form
    272,549,334.36/376,116,168.07 = 148,790,011.49/x
  3. Step 3: Cross multiply
    272,549,334.36x = 376,116,168.07 × 148,790,011.49
  4. Step 4: Simplify right side
    272,549,334.36x = 55,962,328,968,710,072
  5. Step 5: Solve for x
    x = 55,962,328,968,710,072/272,549,334.36
  6. Step 6: Final answer
    x = 205,329,171.32

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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.