Home / 210,350,063.80-315,525,095.70-97,103,855.80

Finding the Fourth Proportional to 210,350,063.80, 315,525,095.70 and 97,103,855.80

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Solution

The fourth proportional to 210,350,063.80, 315,525,095.70 and 97,103,855.80 is: 145,655,783.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,350,063.80 : 315,525,095.70 = 97,103,855.80 : x
  2. Step 2: Convert to fraction form
    210,350,063.80/315,525,095.70 = 97,103,855.80/x
  3. Step 3: Cross multiply
    210,350,063.80x = 315,525,095.70 × 97,103,855.80
  4. Step 4: Simplify right side
    210,350,063.80x = 30,638,703,394,133,996
  5. Step 5: Solve for x
    x = 30,638,703,394,133,996/210,350,063.80
  6. Step 6: Final answer
    x = 145,655,783.70

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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.