Home / 147,623,909,986.40-221,414,365,894.80-42,923,367,010.40

Finding the Fourth Proportional to 147,623,909,986.40, 221,414,365,894.80 and 42,923,367,010.40

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Solution

The fourth proportional to 147,623,909,986.40, 221,414,365,894.80 and 42,923,367,010.40 is: 64,378,799,406.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,623,909,986.40 : 221,414,365,894.80 = 42,923,367,010.40 : x
  2. Step 2: Convert to fraction form
    147,623,909,986.40/221,414,365,894.80 = 42,923,367,010.40/x
  3. Step 3: Cross multiply
    147,623,909,986.40x = 221,414,365,894.80 × 42,923,367,010.40
  4. Step 4: Simplify right side
    147,623,909,986.40x = 9,503,850,088,677,492,391,936
  5. Step 5: Solve for x
    x = 9,503,850,088,677,492,391,936/147,623,909,986.40
  6. Step 6: Final answer
    x = 64,378,799,406.91

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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.