Home / 321,020,718.40-443,046,410.40-190,640,526.40

Finding the Fourth Proportional to 321,020,718.40, 443,046,410.40 and 190,640,526.40

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Solution

The fourth proportional to 321,020,718.40, 443,046,410.40 and 190,640,526.40 is: 263,106,385.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,020,718.40 : 443,046,410.40 = 190,640,526.40 : x
  2. Step 2: Convert to fraction form
    321,020,718.40/443,046,410.40 = 190,640,526.40/x
  3. Step 3: Cross multiply
    321,020,718.40x = 443,046,410.40 × 190,640,526.40
  4. Step 4: Simplify right side
    321,020,718.40x = 84,462,600,898,286,432
  5. Step 5: Solve for x
    x = 84,462,600,898,286,432/321,020,718.40
  6. Step 6: Final answer
    x = 263,106,385.53

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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.