Home / 83,106,018.40-124,659,027.60-52,495,016.80

Finding the Fourth Proportional to 83,106,018.40, 124,659,027.60 and 52,495,016.80

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Solution

The fourth proportional to 83,106,018.40, 124,659,027.60 and 52,495,016.80 is: 78,742,525.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,106,018.40 : 124,659,027.60 = 52,495,016.80 : x
  2. Step 2: Convert to fraction form
    83,106,018.40/124,659,027.60 = 52,495,016.80/x
  3. Step 3: Cross multiply
    83,106,018.40x = 124,659,027.60 × 52,495,016.80
  4. Step 4: Simplify right side
    83,106,018.40x = 6,543,977,748,133,663
  5. Step 5: Solve for x
    x = 6,543,977,748,133,663/83,106,018.40
  6. Step 6: Final answer
    x = 78,742,525.20

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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.