Home / 217,163,416.48-299,829,821.50-166,838,005.46

Finding the Fourth Proportional to 217,163,416.48, 299,829,821.50 and 166,838,005.46

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Solution

The fourth proportional to 217,163,416.48, 299,829,821.50 and 166,838,005.46 is: 230,347,312.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,163,416.48 : 299,829,821.50 = 166,838,005.46 : x
  2. Step 2: Convert to fraction form
    217,163,416.48/299,829,821.50 = 166,838,005.46/x
  3. Step 3: Cross multiply
    217,163,416.48x = 299,829,821.50 × 166,838,005.46
  4. Step 4: Simplify right side
    217,163,416.48x = 50,023,009,395,898,384
  5. Step 5: Solve for x
    x = 50,023,009,395,898,384/217,163,416.48
  6. Step 6: Final answer
    x = 230,347,312.67

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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.