Home / 92,774,657.72-128,051,325.50-53,105,184.30

Finding the Fourth Proportional to 92,774,657.72, 128,051,325.50 and 53,105,184.30

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Solution

The fourth proportional to 92,774,657.72, 128,051,325.50 and 53,105,184.30 is: 73,297,917.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,774,657.72 : 128,051,325.50 = 53,105,184.30 : x
  2. Step 2: Convert to fraction form
    92,774,657.72/128,051,325.50 = 53,105,184.30/x
  3. Step 3: Cross multiply
    92,774,657.72x = 128,051,325.50 × 53,105,184.30
  4. Step 4: Simplify right side
    92,774,657.72x = 6,800,189,240,751,457
  5. Step 5: Solve for x
    x = 6,800,189,240,751,457/92,774,657.72
  6. Step 6: Final answer
    x = 73,297,917.85

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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.