Home / 249,113,479.90-373,670,219.85-85,296,791.65

Finding the Fourth Proportional to 249,113,479.90, 373,670,219.85 and 85,296,791.65

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Solution

The fourth proportional to 249,113,479.90, 373,670,219.85 and 85,296,791.65 is: 127,945,187.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,113,479.90 : 373,670,219.85 = 85,296,791.65 : x
  2. Step 2: Convert to fraction form
    249,113,479.90/373,670,219.85 = 85,296,791.65/x
  3. Step 3: Cross multiply
    249,113,479.90x = 373,670,219.85 × 85,296,791.65
  4. Step 4: Simplify right side
    249,113,479.90x = 31,872,870,888,355,148
  5. Step 5: Solve for x
    x = 31,872,870,888,355,148/249,113,479.90
  6. Step 6: Final answer
    x = 127,945,187.48

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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.