Home / 257,164,210.02-354,886,340.13-139,689,633.54

Finding the Fourth Proportional to 257,164,210.02, 354,886,340.13 and 139,689,633.54

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Solution

The fourth proportional to 257,164,210.02, 354,886,340.13 and 139,689,633.54 is: 192,771,547.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,164,210.02 : 354,886,340.13 = 139,689,633.54 : x
  2. Step 2: Convert to fraction form
    257,164,210.02/354,886,340.13 = 139,689,633.54/x
  3. Step 3: Cross multiply
    257,164,210.02x = 354,886,340.13 × 139,689,633.54
  4. Step 4: Simplify right side
    257,164,210.02x = 49,573,942,801,111,496
  5. Step 5: Solve for x
    x = 49,573,942,801,111,496/257,164,210.02
  6. Step 6: Final answer
    x = 192,771,547.79

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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.