Home / 103,779,747.86-155,702,004.37-30,999,400.45

Finding the Fourth Proportional to 103,779,747.86, 155,702,004.37 and 30,999,400.45

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Solution

The fourth proportional to 103,779,747.86, 155,702,004.37 and 30,999,400.45 is: 46,508,773.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,779,747.86 : 155,702,004.37 = 30,999,400.45 : x
  2. Step 2: Convert to fraction form
    103,779,747.86/155,702,004.37 = 30,999,400.45/x
  3. Step 3: Cross multiply
    103,779,747.86x = 155,702,004.37 × 30,999,400.45
  4. Step 4: Simplify right side
    103,779,747.86x = 4,826,668,783,866,527
  5. Step 5: Solve for x
    x = 4,826,668,783,866,527/103,779,747.86
  6. Step 6: Final answer
    x = 46,508,773.47

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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.