Home / 76,209,769.04-105,170,220.27-41,402,709.05

Finding the Fourth Proportional to 76,209,769.04, 105,170,220.27 and 41,402,709.05

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Solution

The fourth proportional to 76,209,769.04, 105,170,220.27 and 41,402,709.05 is: 57,136,139.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,209,769.04 : 105,170,220.27 = 41,402,709.05 : x
  2. Step 2: Convert to fraction form
    76,209,769.04/105,170,220.27 = 41,402,709.05/x
  3. Step 3: Cross multiply
    76,209,769.04x = 105,170,220.27 × 41,402,709.05
  4. Step 4: Simplify right side
    76,209,769.04x = 4,354,332,030,356,208.50
  5. Step 5: Solve for x
    x = 4,354,332,030,356,208.50/76,209,769.04
  6. Step 6: Final answer
    x = 57,136,139.96

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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.