Home / 127,543,653.80-191,315,480.70-102,034,485.80

Finding the Fourth Proportional to 127,543,653.80, 191,315,480.70 and 102,034,485.80

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Solution

The fourth proportional to 127,543,653.80, 191,315,480.70 and 102,034,485.80 is: 153,051,728.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,543,653.80 : 191,315,480.70 = 102,034,485.80 : x
  2. Step 2: Convert to fraction form
    127,543,653.80/191,315,480.70 = 102,034,485.80/x
  3. Step 3: Cross multiply
    127,543,653.80x = 191,315,480.70 × 102,034,485.80
  4. Step 4: Simplify right side
    127,543,653.80x = 19,520,776,698,804,324
  5. Step 5: Solve for x
    x = 19,520,776,698,804,324/127,543,653.80
  6. Step 6: Final answer
    x = 153,051,728.70

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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.