Home / 142,477,886.20-213,716,829.30-97,128,254.20

Finding the Fourth Proportional to 142,477,886.20, 213,716,829.30 and 97,128,254.20

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Solution

The fourth proportional to 142,477,886.20, 213,716,829.30 and 97,128,254.20 is: 145,692,381.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,477,886.20 : 213,716,829.30 = 97,128,254.20 : x
  2. Step 2: Convert to fraction form
    142,477,886.20/213,716,829.30 = 97,128,254.20/x
  3. Step 3: Cross multiply
    142,477,886.20x = 213,716,829.30 × 97,128,254.20
  4. Step 4: Simplify right side
    142,477,886.20x = 20,757,942,523,068,408
  5. Step 5: Solve for x
    x = 20,757,942,523,068,408/142,477,886.20
  6. Step 6: Final answer
    x = 145,692,381.30

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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.