Home / 411,041,438.51-616,531,147.62-130,911,033.04

Finding the Fourth Proportional to 411,041,438.51, 616,531,147.62 and 130,911,033.04

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Solution

The fourth proportional to 411,041,438.51, 616,531,147.62 and 130,911,033.04 is: 196,356,673.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,041,438.51 : 616,531,147.62 = 130,911,033.04 : x
  2. Step 2: Convert to fraction form
    411,041,438.51/616,531,147.62 = 130,911,033.04/x
  3. Step 3: Cross multiply
    411,041,438.51x = 616,531,147.62 × 130,911,033.04
  4. Step 4: Simplify right side
    411,041,438.51x = 80,710,729,434,238,688
  5. Step 5: Solve for x
    x = 80,710,729,434,238,688/411,041,438.51
  6. Step 6: Final answer
    x = 196,356,673.25

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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.