Home / 74,772,440.60-112,173,824.10-42,439,832.60

Finding the Fourth Proportional to 74,772,440.60, 112,173,824.10 and 42,439,832.60

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Solution

The fourth proportional to 74,772,440.60, 112,173,824.10 and 42,439,832.60 is: 63,668,355.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,772,440.60 : 112,173,824.10 = 42,439,832.60 : x
  2. Step 2: Convert to fraction form
    74,772,440.60/112,173,824.10 = 42,439,832.60/x
  3. Step 3: Cross multiply
    74,772,440.60x = 112,173,824.10 × 42,439,832.60
  4. Step 4: Simplify right side
    74,772,440.60x = 4,760,638,316,905,846
  5. Step 5: Solve for x
    x = 4,760,638,316,905,846/74,772,440.60
  6. Step 6: Final answer
    x = 63,668,355.33

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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.