Home / 86,574,048-119,475,941.76-47,942,880

Finding the Fourth Proportional to 86,574,048, 119,475,941.76 and 47,942,880

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Solution

The fourth proportional to 86,574,048, 119,475,941.76 and 47,942,880 is: 66,163,254.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,574,048 : 119,475,941.76 = 47,942,880 : x
  2. Step 2: Convert to fraction form
    86,574,048/119,475,941.76 = 47,942,880/x
  3. Step 3: Cross multiply
    86,574,048x = 119,475,941.76 × 47,942,880
  4. Step 4: Simplify right side
    86,574,048x = 5,728,020,738,686,669
  5. Step 5: Solve for x
    x = 5,728,020,738,686,669/86,574,048
  6. Step 6: Final answer
    x = 66,163,254.13

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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.