Home / 288,086,080.07-432,130,254.62-69,736,071.56

Finding the Fourth Proportional to 288,086,080.07, 432,130,254.62 and 69,736,071.56

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Solution

The fourth proportional to 288,086,080.07, 432,130,254.62 and 69,736,071.56 is: 104,604,381.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,086,080.07 : 432,130,254.62 = 69,736,071.56 : x
  2. Step 2: Convert to fraction form
    288,086,080.07/432,130,254.62 = 69,736,071.56/x
  3. Step 3: Cross multiply
    288,086,080.07x = 432,130,254.62 × 69,736,071.56
  4. Step 4: Simplify right side
    288,086,080.07x = 30,135,066,356,912,012
  5. Step 5: Solve for x
    x = 30,135,066,356,912,012/288,086,080.07
  6. Step 6: Final answer
    x = 104,604,381.96

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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.