Home / 130,759,703,564.04-196,139,557,941.30-31,386,348,150.12

Finding the Fourth Proportional to 130,759,703,564.04, 196,139,557,941.30 and 31,386,348,150.12

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Solution

The fourth proportional to 130,759,703,564.04, 196,139,557,941.30 and 31,386,348,150.12 is: 47,079,522,848.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,759,703,564.04 : 196,139,557,941.30 = 31,386,348,150.12 : x
  2. Step 2: Convert to fraction form
    130,759,703,564.04/196,139,557,941.30 = 31,386,348,150.12/x
  3. Step 3: Cross multiply
    130,759,703,564.04x = 196,139,557,941.30 × 31,386,348,150.12
  4. Step 4: Simplify right side
    130,759,703,564.04x = 6,156,104,451,556,274,864,128
  5. Step 5: Solve for x
    x = 6,156,104,451,556,274,864,128/130,759,703,564.04
  6. Step 6: Final answer
    x = 47,079,522,848.12

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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.