Home / 72,575,828.03-100,154,598.57-39,980,780.03

Finding the Fourth Proportional to 72,575,828.03, 100,154,598.57 and 39,980,780.03

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Solution

The fourth proportional to 72,575,828.03, 100,154,598.57 and 39,980,780.03 is: 55,173,452.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,575,828.03 : 100,154,598.57 = 39,980,780.03 : x
  2. Step 2: Convert to fraction form
    72,575,828.03/100,154,598.57 = 39,980,780.03/x
  3. Step 3: Cross multiply
    72,575,828.03x = 100,154,598.57 × 39,980,780.03
  4. Step 4: Simplify right side
    72,575,828.03x = 4,004,258,973,919,349
  5. Step 5: Solve for x
    x = 4,004,258,973,919,349/72,575,828.03
  6. Step 6: Final answer
    x = 55,173,452.14

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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.