Home / 45,139,730.51-62,311,898.96-30,475,261.28

Finding the Fourth Proportional to 45,139,730.51, 62,311,898.96 and 30,475,261.28

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Solution

The fourth proportional to 45,139,730.51, 62,311,898.96 and 30,475,261.28 is: 42,068,735.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,139,730.51 : 62,311,898.96 = 30,475,261.28 : x
  2. Step 2: Convert to fraction form
    45,139,730.51/62,311,898.96 = 30,475,261.28/x
  3. Step 3: Cross multiply
    45,139,730.51x = 62,311,898.96 × 30,475,261.28
  4. Step 4: Simplify right side
    45,139,730.51x = 1,898,971,401,658,960.25
  5. Step 5: Solve for x
    x = 1,898,971,401,658,960.25/45,139,730.51
  6. Step 6: Final answer
    x = 42,068,735.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.