Home / 99,912,690.22-149,636,234.65-97,154,511.43

Finding the Fourth Proportional to 99,912,690.22, 149,636,234.65 and 97,154,511.43

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Solution

The fourth proportional to 99,912,690.22, 149,636,234.65 and 97,154,511.43 is: 145,505,393.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,912,690.22 : 149,636,234.65 = 97,154,511.43 : x
  2. Step 2: Convert to fraction form
    99,912,690.22/149,636,234.65 = 97,154,511.43/x
  3. Step 3: Cross multiply
    99,912,690.22x = 149,636,234.65 × 97,154,511.43
  4. Step 4: Simplify right side
    99,912,690.22x = 14,537,835,269,159,816
  5. Step 5: Solve for x
    x = 14,537,835,269,159,816/99,912,690.22
  6. Step 6: Final answer
    x = 145,505,393.13

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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.