Home / 79,158,146.46-118,605,893.10-56,014,333.98

Finding the Fourth Proportional to 79,158,146.46, 118,605,893.10 and 56,014,333.98

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Solution

The fourth proportional to 79,158,146.46, 118,605,893.10 and 56,014,333.98 is: 83,928,570.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,158,146.46 : 118,605,893.10 = 56,014,333.98 : x
  2. Step 2: Convert to fraction form
    79,158,146.46/118,605,893.10 = 56,014,333.98/x
  3. Step 3: Cross multiply
    79,158,146.46x = 118,605,893.10 × 56,014,333.98
  4. Step 4: Simplify right side
    79,158,146.46x = 6,643,630,108,099,577
  5. Step 5: Solve for x
    x = 6,643,630,108,099,577/79,158,146.46
  6. Step 6: Final answer
    x = 83,928,570.91

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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.