Home / 85,205,512.80-127,826,931.60-42,095,368.80

Finding the Fourth Proportional to 85,205,512.80, 127,826,931.60 and 42,095,368.80

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Solution

The fourth proportional to 85,205,512.80, 127,826,931.60 and 42,095,368.80 is: 63,152,273.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,205,512.80 : 127,826,931.60 = 42,095,368.80 : x
  2. Step 2: Convert to fraction form
    85,205,512.80/127,826,931.60 = 42,095,368.80/x
  3. Step 3: Cross multiply
    85,205,512.80x = 127,826,931.60 × 42,095,368.80
  4. Step 4: Simplify right side
    85,205,512.80x = 5,380,921,828,274,373
  5. Step 5: Solve for x
    x = 5,380,921,828,274,373/85,205,512.80
  6. Step 6: Final answer
    x = 63,152,273.27

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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.