Home / 142,602,889.94-213,918,835.74-49,217,707.66

Finding the Fourth Proportional to 142,602,889.94, 213,918,835.74 and 49,217,707.66

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Solution

The fourth proportional to 142,602,889.94, 213,918,835.74 and 49,217,707.66 is: 73,831,566.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,602,889.94 : 213,918,835.74 = 49,217,707.66 : x
  2. Step 2: Convert to fraction form
    142,602,889.94/213,918,835.74 = 49,217,707.66/x
  3. Step 3: Cross multiply
    142,602,889.94x = 213,918,835.74 × 49,217,707.66
  4. Step 4: Simplify right side
    142,602,889.94x = 10,528,594,720,418,880
  5. Step 5: Solve for x
    x = 10,528,594,720,418,880/142,602,889.94
  6. Step 6: Final answer
    x = 73,831,566.28

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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.