Home / 129,878,281,495.57-194,681,047,870.30-43,698,612,834.84

Finding the Fourth Proportional to 129,878,281,495.57, 194,681,047,870.30 and 43,698,612,834.84

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Solution

The fourth proportional to 129,878,281,495.57, 194,681,047,870.30 and 43,698,612,834.84 is: 65,502,034,976.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,878,281,495.57 : 194,681,047,870.30 = 43,698,612,834.84 : x
  2. Step 2: Convert to fraction form
    129,878,281,495.57/194,681,047,870.30 = 43,698,612,834.84/x
  3. Step 3: Cross multiply
    129,878,281,495.57x = 194,681,047,870.30 × 43,698,612,834.84
  4. Step 4: Simplify right side
    129,878,281,495.57x = 8,507,291,737,165,190,397,952
  5. Step 5: Solve for x
    x = 8,507,291,737,165,190,397,952/129,878,281,495.57
  6. Step 6: Final answer
    x = 65,502,034,976.15

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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.