Home / 112,334,442.30-168,501,663.45-99,579,858.30

Finding the Fourth Proportional to 112,334,442.30, 168,501,663.45 and 99,579,858.30

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Solution

The fourth proportional to 112,334,442.30, 168,501,663.45 and 99,579,858.30 is: 149,369,787.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,334,442.30 : 168,501,663.45 = 99,579,858.30 : x
  2. Step 2: Convert to fraction form
    112,334,442.30/168,501,663.45 = 99,579,858.30/x
  3. Step 3: Cross multiply
    112,334,442.30x = 168,501,663.45 × 99,579,858.30
  4. Step 4: Simplify right side
    112,334,442.30x = 16,779,371,769,665,288
  5. Step 5: Solve for x
    x = 16,779,371,769,665,288/112,334,442.30
  6. Step 6: Final answer
    x = 149,369,787.45

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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.