Home / 112,971,887.15-155,903,506.52-63,415,834.02

Finding the Fourth Proportional to 112,971,887.15, 155,903,506.52 and 63,415,834.02

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Solution

The fourth proportional to 112,971,887.15, 155,903,506.52 and 63,415,834.02 is: 87,515,143.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,971,887.15 : 155,903,506.52 = 63,415,834.02 : x
  2. Step 2: Convert to fraction form
    112,971,887.15/155,903,506.52 = 63,415,834.02/x
  3. Step 3: Cross multiply
    112,971,887.15x = 155,903,506.52 × 63,415,834.02
  4. Step 4: Simplify right side
    112,971,887.15x = 9,886,750,892,291,228
  5. Step 5: Solve for x
    x = 9,886,750,892,291,228/112,971,887.15
  6. Step 6: Final answer
    x = 87,515,143.30

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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.