Home / 47,341,806.70-71,012,710.05-38,831,752.30

Finding the Fourth Proportional to 47,341,806.70, 71,012,710.05 and 38,831,752.30

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Solution

The fourth proportional to 47,341,806.70, 71,012,710.05 and 38,831,752.30 is: 58,247,628.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,341,806.70 : 71,012,710.05 = 38,831,752.30 : x
  2. Step 2: Convert to fraction form
    47,341,806.70/71,012,710.05 = 38,831,752.30/x
  3. Step 3: Cross multiply
    47,341,806.70x = 71,012,710.05 × 38,831,752.30
  4. Step 4: Simplify right side
    47,341,806.70x = 2,757,547,966,813,320.50
  5. Step 5: Solve for x
    x = 2,757,547,966,813,320.50/47,341,806.70
  6. Step 6: Final answer
    x = 58,247,628.45

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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.