Home / 72,444,067.28-99,963,728.40-48,973,672.40

Finding the Fourth Proportional to 72,444,067.28, 99,963,728.40 and 48,973,672.40

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Solution

The fourth proportional to 72,444,067.28, 99,963,728.40 and 48,973,672.40 is: 67,577,526.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,444,067.28 : 99,963,728.40 = 48,973,672.40 : x
  2. Step 2: Convert to fraction form
    72,444,067.28/99,963,728.40 = 48,973,672.40/x
  3. Step 3: Cross multiply
    72,444,067.28x = 99,963,728.40 × 48,973,672.40
  4. Step 4: Simplify right side
    72,444,067.28x = 4,895,590,886,544,176
  5. Step 5: Solve for x
    x = 4,895,590,886,544,176/72,444,067.28
  6. Step 6: Final answer
    x = 67,577,526.64

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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.