Home / 248,472,746.65-343,219,889.90-185,639,640.69

Finding the Fourth Proportional to 248,472,746.65, 343,219,889.90 and 185,639,640.69

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Solution

The fourth proportional to 248,472,746.65, 343,219,889.90 and 185,639,640.69 is: 256,427,386.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,472,746.65 : 343,219,889.90 = 185,639,640.69 : x
  2. Step 2: Convert to fraction form
    248,472,746.65/343,219,889.90 = 185,639,640.69/x
  3. Step 3: Cross multiply
    248,472,746.65x = 343,219,889.90 × 185,639,640.69
  4. Step 4: Simplify right side
    248,472,746.65x = 63,715,217,038,697,352
  5. Step 5: Solve for x
    x = 63,715,217,038,697,352/248,472,746.65
  6. Step 6: Final answer
    x = 256,427,386.50

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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.