Home / 190,552,031.92-285,829,803.96-54,237,378.16

Finding the Fourth Proportional to 190,552,031.92, 285,829,803.96 and 54,237,378.16

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Solution

The fourth proportional to 190,552,031.92, 285,829,803.96 and 54,237,378.16 is: 81,356,567.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,552,031.92 : 285,829,803.96 = 54,237,378.16 : x
  2. Step 2: Convert to fraction form
    190,552,031.92/285,829,803.96 = 54,237,378.16/x
  3. Step 3: Cross multiply
    190,552,031.92x = 285,829,803.96 × 54,237,378.16
  4. Step 4: Simplify right side
    190,552,031.92x = 15,502,659,166,777,184
  5. Step 5: Solve for x
    x = 15,502,659,166,777,184/190,552,031.92
  6. Step 6: Final answer
    x = 81,356,567.08

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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.