Home / 249,113,478.90-373,670,218.35-85,296,790.65

Finding the Fourth Proportional to 249,113,478.90, 373,670,218.35 and 85,296,790.65

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Solution

The fourth proportional to 249,113,478.90, 373,670,218.35 and 85,296,790.65 is: 127,945,185.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,113,478.90 : 373,670,218.35 = 85,296,790.65 : x
  2. Step 2: Convert to fraction form
    249,113,478.90/373,670,218.35 = 85,296,790.65/x
  3. Step 3: Cross multiply
    249,113,478.90x = 373,670,218.35 × 85,296,790.65
  4. Step 4: Simplify right side
    249,113,478.90x = 31,872,870,386,739,744
  5. Step 5: Solve for x
    x = 31,872,870,386,739,744/249,113,478.90
  6. Step 6: Final answer
    x = 127,945,185.98

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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.