Home / 42,880,270.38-64,323,204.95-31,400,095.02

Finding the Fourth Proportional to 42,880,270.38, 64,323,204.95 and 31,400,095.02

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Solution

The fourth proportional to 42,880,270.38, 64,323,204.95 and 31,400,095.02 is: 47,102,192.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,880,270.38 : 64,323,204.95 = 31,400,095.02 : x
  2. Step 2: Convert to fraction form
    42,880,270.38/64,323,204.95 = 31,400,095.02/x
  3. Step 3: Cross multiply
    42,880,270.38x = 64,323,204.95 × 31,400,095.02
  4. Step 4: Simplify right side
    42,880,270.38x = 2,019,754,747,263,933.75
  5. Step 5: Solve for x
    x = 2,019,754,747,263,933.75/42,880,270.38
  6. Step 6: Final answer
    x = 47,102,192.44

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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.