Home / 99,689,967.80-149,555,169.30-56,579,823.80

Finding the Fourth Proportional to 99,689,967.80, 149,555,169.30 and 56,579,823.80

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Solution

The fourth proportional to 99,689,967.80, 149,555,169.30 and 56,579,823.80 is: 84,881,210.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,689,967.80 : 149,555,169.30 = 56,579,823.80 : x
  2. Step 2: Convert to fraction form
    99,689,967.80/149,555,169.30 = 56,579,823.80/x
  3. Step 3: Cross multiply
    99,689,967.80x = 149,555,169.30 × 56,579,823.80
  4. Step 4: Simplify right side
    99,689,967.80x = 8,461,805,127,373,170
  5. Step 5: Solve for x
    x = 8,461,805,127,373,170/99,689,967.80
  6. Step 6: Final answer
    x = 84,881,210.36

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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.