Home / 164,808,001.40-247,212,002.10-100,238,430.20

Finding the Fourth Proportional to 164,808,001.40, 247,212,002.10 and 100,238,430.20

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Solution

The fourth proportional to 164,808,001.40, 247,212,002.10 and 100,238,430.20 is: 150,357,645.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,808,001.40 : 247,212,002.10 = 100,238,430.20 : x
  2. Step 2: Convert to fraction form
    164,808,001.40/247,212,002.10 = 100,238,430.20/x
  3. Step 3: Cross multiply
    164,808,001.40x = 247,212,002.10 × 100,238,430.20
  4. Step 4: Simplify right side
    164,808,001.40x = 24,780,143,017,103,104
  5. Step 5: Solve for x
    x = 24,780,143,017,103,104/164,808,001.40
  6. Step 6: Final answer
    x = 150,357,645.30

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1.5x scale

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.