Home / 288,434,973.06-432,652,459.59-70,084,193.22

Finding the Fourth Proportional to 288,434,973.06, 432,652,459.59 and 70,084,193.22

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Solution

The fourth proportional to 288,434,973.06, 432,652,459.59 and 70,084,193.22 is: 105,126,289.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,434,973.06 : 432,652,459.59 = 70,084,193.22 : x
  2. Step 2: Convert to fraction form
    288,434,973.06/432,652,459.59 = 70,084,193.22/x
  3. Step 3: Cross multiply
    288,434,973.06x = 432,652,459.59 × 70,084,193.22
  4. Step 4: Simplify right side
    288,434,973.06x = 30,322,098,575,013,800
  5. Step 5: Solve for x
    x = 30,322,098,575,013,800/288,434,973.06
  6. Step 6: Final answer
    x = 105,126,289.83

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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.