Home / 108,842,846-162,880,804.04-67,921,539.08

Finding the Fourth Proportional to 108,842,846, 162,880,804.04 and 67,921,539.08

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Solution

The fourth proportional to 108,842,846, 162,880,804.04 and 67,921,539.08 is: 101,643,013.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,842,846 : 162,880,804.04 = 67,921,539.08 : x
  2. Step 2: Convert to fraction form
    108,842,846/162,880,804.04 = 67,921,539.08/x
  3. Step 3: Cross multiply
    108,842,846x = 162,880,804.04 × 67,921,539.08
  4. Step 4: Simplify right side
    108,842,846x = 11,063,114,896,984,682
  5. Step 5: Solve for x
    x = 11,063,114,896,984,682/108,842,846
  6. Step 6: Final answer
    x = 101,643,013.79

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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.