Home / 290,463,115.60-435,106,807.80-180,952,152.40

Finding the Fourth Proportional to 290,463,115.60, 435,106,807.80 and 180,952,152.40

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Solution

The fourth proportional to 290,463,115.60, 435,106,807.80 and 180,952,152.40 is: 271,062,001.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,463,115.60 : 435,106,807.80 = 180,952,152.40 : x
  2. Step 2: Convert to fraction form
    290,463,115.60/435,106,807.80 = 180,952,152.40/x
  3. Step 3: Cross multiply
    290,463,115.60x = 435,106,807.80 × 180,952,152.40
  4. Step 4: Simplify right side
    290,463,115.60x = 78,733,513,395,303,120
  5. Step 5: Solve for x
    x = 78,733,513,395,303,120/290,463,115.60
  6. Step 6: Final answer
    x = 271,062,001.22

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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.