Home / 147,623,909,985.40-221,414,365,893.30-42,923,367,009.40

Finding the Fourth Proportional to 147,623,909,985.40, 221,414,365,893.30 and 42,923,367,009.40

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Solution

The fourth proportional to 147,623,909,985.40, 221,414,365,893.30 and 42,923,367,009.40 is: 64,378,799,405.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,623,909,985.40 : 221,414,365,893.30 = 42,923,367,009.40 : x
  2. Step 2: Convert to fraction form
    147,623,909,985.40/221,414,365,893.30 = 42,923,367,009.40/x
  3. Step 3: Cross multiply
    147,623,909,985.40x = 221,414,365,893.30 × 42,923,367,009.40
  4. Step 4: Simplify right side
    147,623,909,985.40x = 9,503,850,088,391,694,614,528
  5. Step 5: Solve for x
    x = 9,503,850,088,391,694,614,528/147,623,909,985.40
  6. Step 6: Final answer
    x = 64,378,799,405.41

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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.