Home / 196,838,829.81-271,632,322.40-108,730,931.19

Finding the Fourth Proportional to 196,838,829.81, 271,632,322.40 and 108,730,931.19

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Solution

The fourth proportional to 196,838,829.81, 271,632,322.40 and 108,730,931.19 is: 150,045,777.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,838,829.81 : 271,632,322.40 = 108,730,931.19 : x
  2. Step 2: Convert to fraction form
    196,838,829.81/271,632,322.40 = 108,730,931.19/x
  3. Step 3: Cross multiply
    196,838,829.81x = 271,632,322.40 × 108,730,931.19
  4. Step 4: Simplify right side
    196,838,829.81x = 29,534,835,355,310,640
  5. Step 5: Solve for x
    x = 29,534,835,355,310,640/196,838,829.81
  6. Step 6: Final answer
    x = 150,045,777.98

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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.