Home / 72,010,059.66-99,374,199.26-38,970,313.88

Finding the Fourth Proportional to 72,010,059.66, 99,374,199.26 and 38,970,313.88

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Solution

The fourth proportional to 72,010,059.66, 99,374,199.26 and 38,970,313.88 is: 53,779,204.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,010,059.66 : 99,374,199.26 = 38,970,313.88 : x
  2. Step 2: Convert to fraction form
    72,010,059.66/99,374,199.26 = 38,970,313.88/x
  3. Step 3: Cross multiply
    72,010,059.66x = 99,374,199.26 × 38,970,313.88
  4. Step 4: Simplify right side
    72,010,059.66x = 3,872,643,736,044,141
  5. Step 5: Solve for x
    x = 3,872,643,736,044,141/72,010,059.66
  6. Step 6: Final answer
    x = 53,779,204.66

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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.