Home / 190,473,261.32-285,641,385.51-65,942,075.72

Finding the Fourth Proportional to 190,473,261.32, 285,641,385.51 and 65,942,075.72

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Solution

The fourth proportional to 190,473,261.32, 285,641,385.51 and 65,942,075.72 is: 98,889,396.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,473,261.32 : 285,641,385.51 = 65,942,075.72 : x
  2. Step 2: Convert to fraction form
    190,473,261.32/285,641,385.51 = 65,942,075.72/x
  3. Step 3: Cross multiply
    190,473,261.32x = 285,641,385.51 × 65,942,075.72
  4. Step 4: Simplify right side
    190,473,261.32x = 18,835,785,872,066,128
  5. Step 5: Solve for x
    x = 18,835,785,872,066,128/190,473,261.32
  6. Step 6: Final answer
    x = 98,889,396.56

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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.