Home / 129,368,165.60-194,052,248.40-64,681,954.40

Finding the Fourth Proportional to 129,368,165.60, 194,052,248.40 and 64,681,954.40

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Solution

The fourth proportional to 129,368,165.60, 194,052,248.40 and 64,681,954.40 is: 97,022,931.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,368,165.60 : 194,052,248.40 = 64,681,954.40 : x
  2. Step 2: Convert to fraction form
    129,368,165.60/194,052,248.40 = 64,681,954.40/x
  3. Step 3: Cross multiply
    129,368,165.60x = 194,052,248.40 × 64,681,954.40
  4. Step 4: Simplify right side
    129,368,165.60x = 12,551,678,682,226,274
  5. Step 5: Solve for x
    x = 12,551,678,682,226,274/129,368,165.60
  6. Step 6: Final answer
    x = 97,022,931.60

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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.