Home / 252,152,267.40-378,228,401.10-98,747,339.40

Finding the Fourth Proportional to 252,152,267.40, 378,228,401.10 and 98,747,339.40

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Solution

The fourth proportional to 252,152,267.40, 378,228,401.10 and 98,747,339.40 is: 148,121,009.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,152,267.40 : 378,228,401.10 = 98,747,339.40 : x
  2. Step 2: Convert to fraction form
    252,152,267.40/378,228,401.10 = 98,747,339.40/x
  3. Step 3: Cross multiply
    252,152,267.40x = 378,228,401.10 × 98,747,339.40
  4. Step 4: Simplify right side
    252,152,267.40x = 37,349,048,294,141,040
  5. Step 5: Solve for x
    x = 37,349,048,294,141,040/252,152,267.40
  6. Step 6: Final answer
    x = 148,121,009.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.