Home / 110,421,060-152,392,399.92-66,382,315.80

Finding the Fourth Proportional to 110,421,060, 152,392,399.92 and 66,382,315.80

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Solution

The fourth proportional to 110,421,060, 152,392,399.92 and 66,382,315.80 is: 91,614,411.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,421,060 : 152,392,399.92 = 66,382,315.80 : x
  2. Step 2: Convert to fraction form
    110,421,060/152,392,399.92 = 66,382,315.80/x
  3. Step 3: Cross multiply
    110,421,060x = 152,392,399.92 × 66,382,315.80
  4. Step 4: Simplify right side
    110,421,060x = 10,116,160,417,009,334
  5. Step 5: Solve for x
    x = 10,116,160,417,009,334/110,421,060
  6. Step 6: Final answer
    x = 91,614,411.39

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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.