Home / 143,573,991.60-215,360,987.40-52,685,770.80

Finding the Fourth Proportional to 143,573,991.60, 215,360,987.40 and 52,685,770.80

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Solution

The fourth proportional to 143,573,991.60, 215,360,987.40 and 52,685,770.80 is: 79,028,656.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,573,991.60 : 215,360,987.40 = 52,685,770.80 : x
  2. Step 2: Convert to fraction form
    143,573,991.60/215,360,987.40 = 52,685,770.80/x
  3. Step 3: Cross multiply
    143,573,991.60x = 215,360,987.40 × 52,685,770.80
  4. Step 4: Simplify right side
    143,573,991.60x = 11,346,459,621,418,088
  5. Step 5: Solve for x
    x = 11,346,459,621,418,088/143,573,991.60
  6. Step 6: Final answer
    x = 79,028,656.20

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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.