Home / 112,381,810.40-168,572,715.60-73,582,680.80

Finding the Fourth Proportional to 112,381,810.40, 168,572,715.60 and 73,582,680.80

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Solution

The fourth proportional to 112,381,810.40, 168,572,715.60 and 73,582,680.80 is: 110,374,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,381,810.40 : 168,572,715.60 = 73,582,680.80 : x
  2. Step 2: Convert to fraction form
    112,381,810.40/168,572,715.60 = 73,582,680.80/x
  3. Step 3: Cross multiply
    112,381,810.40x = 168,572,715.60 × 73,582,680.80
  4. Step 4: Simplify right side
    112,381,810.40x = 12,404,032,323,583,980
  5. Step 5: Solve for x
    x = 12,404,032,323,583,980/112,381,810.40
  6. Step 6: Final answer
    x = 110,374,021.20

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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.