Home / 249,290,420.06-373,943,248-85,525,879.44

Finding the Fourth Proportional to 249,290,420.06, 373,943,248 and 85,525,879.44

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Solution

The fourth proportional to 249,290,420.06, 373,943,248 and 85,525,879.44 is: 128,291,432.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,290,420.06 : 373,943,248 = 85,525,879.44 : x
  2. Step 2: Convert to fraction form
    249,290,420.06/373,943,248 = 85,525,879.44/x
  3. Step 3: Cross multiply
    249,290,420.06x = 373,943,248 × 85,525,879.44
  4. Step 4: Simplify right side
    249,290,420.06x = 31,981,825,145,850,020
  5. Step 5: Solve for x
    x = 31,981,825,145,850,020/249,290,420.06
  6. Step 6: Final answer
    x = 128,291,432.69

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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.