Home / 210,282,701.40-315,424,052.10-73,950,370.20

Finding the Fourth Proportional to 210,282,701.40, 315,424,052.10 and 73,950,370.20

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Solution

The fourth proportional to 210,282,701.40, 315,424,052.10 and 73,950,370.20 is: 110,925,555.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,282,701.40 : 315,424,052.10 = 73,950,370.20 : x
  2. Step 2: Convert to fraction form
    210,282,701.40/315,424,052.10 = 73,950,370.20/x
  3. Step 3: Cross multiply
    210,282,701.40x = 315,424,052.10 × 73,950,370.20
  4. Step 4: Simplify right side
    210,282,701.40x = 23,325,725,422,779,092
  5. Step 5: Solve for x
    x = 23,325,725,422,779,092/210,282,701.40
  6. Step 6: Final answer
    x = 110,925,555.30

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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.