Home / 152,955,359.90-211,078,427.00-83,340,740.78

Finding the Fourth Proportional to 152,955,359.90, 211,078,427.00 and 83,340,740.78

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Solution

The fourth proportional to 152,955,359.90, 211,078,427.00 and 83,340,740.78 is: 115,010,238.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,955,359.90 : 211,078,427.00 = 83,340,740.78 : x
  2. Step 2: Convert to fraction form
    152,955,359.90/211,078,427.00 = 83,340,740.78/x
  3. Step 3: Cross multiply
    152,955,359.90x = 211,078,427.00 × 83,340,740.78
  4. Step 4: Simplify right side
    152,955,359.90x = 17,591,432,467,385,058
  5. Step 5: Solve for x
    x = 17,591,432,467,385,058/152,955,359.90
  6. Step 6: Final answer
    x = 115,010,238.80

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1.5x scale

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.