Home / 76,977,470,039.63-106,229,137,469.32-42,685,592,411.40

Finding the Fourth Proportional to 76,977,470,039.63, 106,229,137,469.32 and 42,685,592,411.40

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Solution

The fourth proportional to 76,977,470,039.63, 106,229,137,469.32 and 42,685,592,411.40 is: 58,906,244,410.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,977,470,039.63 : 106,229,137,469.32 = 42,685,592,411.40 : x
  2. Step 2: Convert to fraction form
    76,977,470,039.63/106,229,137,469.32 = 42,685,592,411.40/x
  3. Step 3: Cross multiply
    76,977,470,039.63x = 106,229,137,469.32 × 42,685,592,411.40
  4. Step 4: Simplify right side
    76,977,470,039.63x = 4,534,453,664,229,973,557,248
  5. Step 5: Solve for x
    x = 4,534,453,664,229,973,557,248/76,977,470,039.63
  6. Step 6: Final answer
    x = 58,906,244,410.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.