Home / 98,769,077.30-136,276,703.12-56,965,928.24

Finding the Fourth Proportional to 98,769,077.30, 136,276,703.12 and 56,965,928.24

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Solution

The fourth proportional to 98,769,077.30, 136,276,703.12 and 56,965,928.24 is: 78,598,779.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,769,077.30 : 136,276,703.12 = 56,965,928.24 : x
  2. Step 2: Convert to fraction form
    98,769,077.30/136,276,703.12 = 56,965,928.24/x
  3. Step 3: Cross multiply
    98,769,077.30x = 136,276,703.12 × 56,965,928.24
  4. Step 4: Simplify right side
    98,769,077.30x = 7,763,128,890,717,705
  5. Step 5: Solve for x
    x = 7,763,128,890,717,705/98,769,077.30
  6. Step 6: Final answer
    x = 78,598,779.12

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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.