Home / 142,962,339.96-214,294,210.20-70,078,203

Finding the Fourth Proportional to 142,962,339.96, 214,294,210.20 and 70,078,203

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Solution

The fourth proportional to 142,962,339.96, 214,294,210.20 and 70,078,203 is: 105,044,119.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,962,339.96 : 214,294,210.20 = 70,078,203 : x
  2. Step 2: Convert to fraction form
    142,962,339.96/214,294,210.20 = 70,078,203/x
  3. Step 3: Cross multiply
    142,962,339.96x = 214,294,210.20 × 70,078,203
  4. Step 4: Simplify right side
    142,962,339.96x = 15,017,353,164,120,270
  5. Step 5: Solve for x
    x = 15,017,353,164,120,270/142,962,339.96
  6. Step 6: Final answer
    x = 105,044,119.79

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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.