Home / 104,990,465.80-157,485,698.70-66,527,259.40

Finding the Fourth Proportional to 104,990,465.80, 157,485,698.70 and 66,527,259.40

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Solution

The fourth proportional to 104,990,465.80, 157,485,698.70 and 66,527,259.40 is: 99,790,889.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,990,465.80 : 157,485,698.70 = 66,527,259.40 : x
  2. Step 2: Convert to fraction form
    104,990,465.80/157,485,698.70 = 66,527,259.40/x
  3. Step 3: Cross multiply
    104,990,465.80x = 157,485,698.70 × 66,527,259.40
  4. Step 4: Simplify right side
    104,990,465.80x = 10,477,091,929,205,142
  5. Step 5: Solve for x
    x = 10,477,091,929,205,142/104,990,465.80
  6. Step 6: Final answer
    x = 99,790,889.10

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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.