Home / 257,164,208.52-354,886,338.06-139,689,632.04

Finding the Fourth Proportional to 257,164,208.52, 354,886,338.06 and 139,689,632.04

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Solution

The fourth proportional to 257,164,208.52, 354,886,338.06 and 139,689,632.04 is: 192,771,545.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,164,208.52 : 354,886,338.06 = 139,689,632.04 : x
  2. Step 2: Convert to fraction form
    257,164,208.52/354,886,338.06 = 139,689,632.04/x
  3. Step 3: Cross multiply
    257,164,208.52x = 354,886,338.06 × 139,689,632.04
  4. Step 4: Simplify right side
    257,164,208.52x = 49,573,941,979,624,448
  5. Step 5: Solve for x
    x = 49,573,941,979,624,448/257,164,208.52
  6. Step 6: Final answer
    x = 192,771,545.72

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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.