Home / 156,698,695.04-216,177,121.20-97,859,209.76

Finding the Fourth Proportional to 156,698,695.04, 216,177,121.20 and 97,859,209.76

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Solution

The fourth proportional to 156,698,695.04, 216,177,121.20 and 97,859,209.76 is: 135,003,818.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,698,695.04 : 216,177,121.20 = 97,859,209.76 : x
  2. Step 2: Convert to fraction form
    156,698,695.04/216,177,121.20 = 97,859,209.76/x
  3. Step 3: Cross multiply
    156,698,695.04x = 216,177,121.20 × 97,859,209.76
  4. Step 4: Simplify right side
    156,698,695.04x = 21,154,922,248,823,744
  5. Step 5: Solve for x
    x = 21,154,922,248,823,744/156,698,695.04
  6. Step 6: Final answer
    x = 135,003,818.91

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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.