Home / 249,014,039.40-373,521,059.10-76,499,433.45

Finding the Fourth Proportional to 249,014,039.40, 373,521,059.10 and 76,499,433.45

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Solution

The fourth proportional to 249,014,039.40, 373,521,059.10 and 76,499,433.45 is: 114,749,150.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,014,039.40 : 373,521,059.10 = 76,499,433.45 : x
  2. Step 2: Convert to fraction form
    249,014,039.40/373,521,059.10 = 76,499,433.45/x
  3. Step 3: Cross multiply
    249,014,039.40x = 373,521,059.10 × 76,499,433.45
  4. Step 4: Simplify right side
    249,014,039.40x = 28,574,149,402,793,968
  5. Step 5: Solve for x
    x = 28,574,149,402,793,968/249,014,039.40
  6. Step 6: Final answer
    x = 114,749,150.18

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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.