Home / 42,723,323.20-64,084,984.80-31,301,934.40

Finding the Fourth Proportional to 42,723,323.20, 64,084,984.80 and 31,301,934.40

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Solution

The fourth proportional to 42,723,323.20, 64,084,984.80 and 31,301,934.40 is: 46,952,901.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,723,323.20 : 64,084,984.80 = 31,301,934.40 : x
  2. Step 2: Convert to fraction form
    42,723,323.20/64,084,984.80 = 31,301,934.40/x
  3. Step 3: Cross multiply
    42,723,323.20x = 64,084,984.80 × 31,301,934.40
  4. Step 4: Simplify right side
    42,723,323.20x = 2,005,983,990,234,597
  5. Step 5: Solve for x
    x = 2,005,983,990,234,597/42,723,323.20
  6. Step 6: Final answer
    x = 46,952,901.60

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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.