Home / 79,056,051.40-118,584,077.10-56,097,800.20

Finding the Fourth Proportional to 79,056,051.40, 118,584,077.10 and 56,097,800.20

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Solution

The fourth proportional to 79,056,051.40, 118,584,077.10 and 56,097,800.20 is: 84,146,700.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,056,051.40 : 118,584,077.10 = 56,097,800.20 : x
  2. Step 2: Convert to fraction form
    79,056,051.40/118,584,077.10 = 56,097,800.20/x
  3. Step 3: Cross multiply
    79,056,051.40x = 118,584,077.10 × 56,097,800.20
  4. Step 4: Simplify right side
    79,056,051.40x = 6,652,305,864,057,195
  5. Step 5: Solve for x
    x = 6,652,305,864,057,195/79,056,051.40
  6. Step 6: Final answer
    x = 84,146,700.30

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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.