Home / 129,878,281,496.57-194,681,047,871.80-43,698,612,835.84

Finding the Fourth Proportional to 129,878,281,496.57, 194,681,047,871.80 and 43,698,612,835.84

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Solution

The fourth proportional to 129,878,281,496.57, 194,681,047,871.80 and 43,698,612,835.84 is: 65,502,034,977.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,878,281,496.57 : 194,681,047,871.80 = 43,698,612,835.84 : x
  2. Step 2: Convert to fraction form
    129,878,281,496.57/194,681,047,871.80 = 43,698,612,835.84/x
  3. Step 3: Cross multiply
    129,878,281,496.57x = 194,681,047,871.80 × 43,698,612,835.84
  4. Step 4: Simplify right side
    129,878,281,496.57x = 8,507,291,737,425,419,698,176
  5. Step 5: Solve for x
    x = 8,507,291,737,425,419,698,176/129,878,281,496.57
  6. Step 6: Final answer
    x = 65,502,034,977.65

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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.