Home / 125,909,838,128.03-188,672,574,176.74-74,757,405,294.25

Finding the Fourth Proportional to 125,909,838,128.03, 188,672,574,176.74 and 74,757,405,294.25

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Solution

The fourth proportional to 125,909,838,128.03, 188,672,574,176.74 and 74,757,405,294.25 is: 112,022,001,658.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,909,838,128.03 : 188,672,574,176.74 = 74,757,405,294.25 : x
  2. Step 2: Convert to fraction form
    125,909,838,128.03/188,672,574,176.74 = 74,757,405,294.25/x
  3. Step 3: Cross multiply
    125,909,838,128.03x = 188,672,574,176.74 × 74,757,405,294.25
  4. Step 4: Simplify right side
    125,909,838,128.03x = 14,104,672,095,639,053,533,184
  5. Step 5: Solve for x
    x = 14,104,672,095,639,053,533,184/125,909,838,128.03
  6. Step 6: Final answer
    x = 112,022,001,658.81

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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.