Home / 132,130,064.76-198,197,090.28-45,871,211.58

Finding the Fourth Proportional to 132,130,064.76, 198,197,090.28 and 45,871,211.58

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Solution

The fourth proportional to 132,130,064.76, 198,197,090.28 and 45,871,211.58 is: 68,807,509.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,130,064.76 : 198,197,090.28 = 45,871,211.58 : x
  2. Step 2: Convert to fraction form
    132,130,064.76/198,197,090.28 = 45,871,211.58/x
  3. Step 3: Cross multiply
    132,130,064.76x = 198,197,090.28 × 45,871,211.58
  4. Step 4: Simplify right side
    132,130,064.76x = 9,091,540,662,774,242
  5. Step 5: Solve for x
    x = 9,091,540,662,774,242/132,130,064.76
  6. Step 6: Final answer
    x = 68,807,509.32

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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.