Home / 170,452,484.47-235,162,639.69-139,643,078.23

Finding the Fourth Proportional to 170,452,484.47, 235,162,639.69 and 139,643,078.23

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Solution

The fourth proportional to 170,452,484.47, 235,162,639.69 and 139,643,078.23 is: 192,656,827.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,452,484.47 : 235,162,639.69 = 139,643,078.23 : x
  2. Step 2: Convert to fraction form
    170,452,484.47/235,162,639.69 = 139,643,078.23/x
  3. Step 3: Cross multiply
    170,452,484.47x = 235,162,639.69 × 139,643,078.23
  4. Step 4: Simplify right side
    170,452,484.47x = 32,838,834,891,003,972
  5. Step 5: Solve for x
    x = 32,838,834,891,003,972/170,452,484.47
  6. Step 6: Final answer
    x = 192,656,827.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.