Home / 74,886,733.60-112,330,100.40-69,847,885.60

Finding the Fourth Proportional to 74,886,733.60, 112,330,100.40 and 69,847,885.60

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Solution

The fourth proportional to 74,886,733.60, 112,330,100.40 and 69,847,885.60 is: 104,771,828.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,886,733.60 : 112,330,100.40 = 69,847,885.60 : x
  2. Step 2: Convert to fraction form
    74,886,733.60/112,330,100.40 = 69,847,885.60/x
  3. Step 3: Cross multiply
    74,886,733.60x = 112,330,100.40 × 69,847,885.60
  4. Step 4: Simplify right side
    74,886,733.60x = 7,846,020,002,175,714
  5. Step 5: Solve for x
    x = 7,846,020,002,175,714/74,886,733.60
  6. Step 6: Final answer
    x = 104,771,828.40

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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.