Home / 53,421,673.04-80,138,928-18,870,980.48

Finding the Fourth Proportional to 53,421,673.04, 80,138,928 and 18,870,980.48

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Solution

The fourth proportional to 53,421,673.04, 80,138,928 and 18,870,980.48 is: 28,308,738.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,421,673.04 : 80,138,928 = 18,870,980.48 : x
  2. Step 2: Convert to fraction form
    53,421,673.04/80,138,928 = 18,870,980.48/x
  3. Step 3: Cross multiply
    53,421,673.04x = 80,138,928 × 18,870,980.48
  4. Step 4: Simplify right side
    53,421,673.04x = 1,512,300,145,976,125.50
  5. Step 5: Solve for x
    x = 1,512,300,145,976,125.50/53,421,673.04
  6. Step 6: Final answer
    x = 28,308,738.01

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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.