Home / 112,022,686.98-167,938,186.98-42,985,033.74

Finding the Fourth Proportional to 112,022,686.98, 167,938,186.98 and 42,985,033.74

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Solution

The fourth proportional to 112,022,686.98, 167,938,186.98 and 42,985,033.74 is: 64,440,773.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,022,686.98 : 167,938,186.98 = 42,985,033.74 : x
  2. Step 2: Convert to fraction form
    112,022,686.98/167,938,186.98 = 42,985,033.74/x
  3. Step 3: Cross multiply
    112,022,686.98x = 167,938,186.98 × 42,985,033.74
  4. Step 4: Simplify right side
    112,022,686.98x = 7,218,828,633,569,729
  5. Step 5: Solve for x
    x = 7,218,828,633,569,729/112,022,686.98
  6. Step 6: Final answer
    x = 64,440,773.81

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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.