Home / 112,022,697.94-167,938,203.54-42,985,045.06

Finding the Fourth Proportional to 112,022,697.94, 167,938,203.54 and 42,985,045.06

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Solution

The fourth proportional to 112,022,697.94, 167,938,203.54 and 42,985,045.06 is: 64,440,790.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,022,697.94 : 167,938,203.54 = 42,985,045.06 : x
  2. Step 2: Convert to fraction form
    112,022,697.94/167,938,203.54 = 42,985,045.06/x
  3. Step 3: Cross multiply
    112,022,697.94x = 167,938,203.54 × 42,985,045.06
  4. Step 4: Simplify right side
    112,022,697.94x = 7,218,831,246,462,352
  5. Step 5: Solve for x
    x = 7,218,831,246,462,352/112,022,697.94
  6. Step 6: Final answer
    x = 64,440,790.83

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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.