Home / 210,350,051.80-315,525,077.70-97,103,843.80

Finding the Fourth Proportional to 210,350,051.80, 315,525,077.70 and 97,103,843.80

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Solution

The fourth proportional to 210,350,051.80, 315,525,077.70 and 97,103,843.80 is: 145,655,765.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,350,051.80 : 315,525,077.70 = 97,103,843.80 : x
  2. Step 2: Convert to fraction form
    210,350,051.80/315,525,077.70 = 97,103,843.80/x
  3. Step 3: Cross multiply
    210,350,051.80x = 315,525,077.70 × 97,103,843.80
  4. Step 4: Simplify right side
    210,350,051.80x = 30,638,697,859,963,660
  5. Step 5: Solve for x
    x = 30,638,697,859,963,660/210,350,051.80
  6. Step 6: Final answer
    x = 145,655,765.70

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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.