Home / 101,267,031.46-139,748,931.48-54,857,285.32

Finding the Fourth Proportional to 101,267,031.46, 139,748,931.48 and 54,857,285.32

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Solution

The fourth proportional to 101,267,031.46, 139,748,931.48 and 54,857,285.32 is: 75,703,285.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,267,031.46 : 139,748,931.48 = 54,857,285.32 : x
  2. Step 2: Convert to fraction form
    101,267,031.46/139,748,931.48 = 54,857,285.32/x
  3. Step 3: Cross multiply
    101,267,031.46x = 139,748,931.48 × 54,857,285.32
  4. Step 4: Simplify right side
    101,267,031.46x = 7,666,247,007,363,489
  5. Step 5: Solve for x
    x = 7,666,247,007,363,489/101,267,031.46
  6. Step 6: Final answer
    x = 75,703,285.63

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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.