Home / 153,957,247.12-212,460,983.40-92,077,575.76

Finding the Fourth Proportional to 153,957,247.12, 212,460,983.40 and 92,077,575.76

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Solution

The fourth proportional to 153,957,247.12, 212,460,983.40 and 92,077,575.76 is: 127,067,044.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,957,247.12 : 212,460,983.40 = 92,077,575.76 : x
  2. Step 2: Convert to fraction form
    153,957,247.12/212,460,983.40 = 92,077,575.76/x
  3. Step 3: Cross multiply
    153,957,247.12x = 212,460,983.40 × 92,077,575.76
  4. Step 4: Simplify right side
    153,957,247.12x = 19,562,892,295,057,604
  5. Step 5: Solve for x
    x = 19,562,892,295,057,604/153,957,247.12
  6. Step 6: Final answer
    x = 127,067,044.01

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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.