Home / 132,854,135.40-199,281,203.10-105,980,279.40

Finding the Fourth Proportional to 132,854,135.40, 199,281,203.10 and 105,980,279.40

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Solution

The fourth proportional to 132,854,135.40, 199,281,203.10 and 105,980,279.40 is: 158,970,419.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,854,135.40 : 199,281,203.10 = 105,980,279.40 : x
  2. Step 2: Convert to fraction form
    132,854,135.40/199,281,203.10 = 105,980,279.40/x
  3. Step 3: Cross multiply
    132,854,135.40x = 199,281,203.10 × 105,980,279.40
  4. Step 4: Simplify right side
    132,854,135.40x = 21,119,877,583,706,148
  5. Step 5: Solve for x
    x = 21,119,877,583,706,148/132,854,135.40
  6. Step 6: Final answer
    x = 158,970,419.10

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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.