Home / 205,606,307.04-308,410,510.52-69,292,871.52

Finding the Fourth Proportional to 205,606,307.04, 308,410,510.52 and 69,292,871.52

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Solution

The fourth proportional to 205,606,307.04, 308,410,510.52 and 69,292,871.52 is: 103,939,661.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,606,307.04 : 308,410,510.52 = 69,292,871.52 : x
  2. Step 2: Convert to fraction form
    205,606,307.04/308,410,510.52 = 69,292,871.52/x
  3. Step 3: Cross multiply
    205,606,307.04x = 308,410,510.52 × 69,292,871.52
  4. Step 4: Simplify right side
    205,606,307.04x = 21,370,649,880,879,964
  5. Step 5: Solve for x
    x = 21,370,649,880,879,964/205,606,307.04
  6. Step 6: Final answer
    x = 103,939,661.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.