Home / 74,734,045.70-112,101,068.55-45,886,640.90

Finding the Fourth Proportional to 74,734,045.70, 112,101,068.55 and 45,886,640.90

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Solution

The fourth proportional to 74,734,045.70, 112,101,068.55 and 45,886,640.90 is: 68,829,961.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,734,045.70 : 112,101,068.55 = 45,886,640.90 : x
  2. Step 2: Convert to fraction form
    74,734,045.70/112,101,068.55 = 45,886,640.90/x
  3. Step 3: Cross multiply
    74,734,045.70x = 112,101,068.55 × 45,886,640.90
  4. Step 4: Simplify right side
    74,734,045.70x = 5,143,941,477,060,133
  5. Step 5: Solve for x
    x = 5,143,941,477,060,133/74,734,045.70
  6. Step 6: Final answer
    x = 68,829,961.35

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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.