Home / 105,197,136.40-157,683,730.20-40,475,933.20

Finding the Fourth Proportional to 105,197,136.40, 157,683,730.20 and 40,475,933.20

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Solution

The fourth proportional to 105,197,136.40, 157,683,730.20 and 40,475,933.20 is: 60,670,816.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,197,136.40 : 157,683,730.20 = 40,475,933.20 : x
  2. Step 2: Convert to fraction form
    105,197,136.40/157,683,730.20 = 40,475,933.20/x
  3. Step 3: Cross multiply
    105,197,136.40x = 157,683,730.20 × 40,475,933.20
  4. Step 4: Simplify right side
    105,197,136.40x = 6,382,396,130,302,023
  5. Step 5: Solve for x
    x = 6,382,396,130,302,023/105,197,136.40
  6. Step 6: Final answer
    x = 60,670,816.23

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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.