Home / 157,464,140.70-236,196,211.05-100,210,230.30

Finding the Fourth Proportional to 157,464,140.70, 236,196,211.05 and 100,210,230.30

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Solution

The fourth proportional to 157,464,140.70, 236,196,211.05 and 100,210,230.30 is: 150,315,345.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,140.70 : 236,196,211.05 = 100,210,230.30 : x
  2. Step 2: Convert to fraction form
    157,464,140.70/236,196,211.05 = 100,210,230.30/x
  3. Step 3: Cross multiply
    157,464,140.70x = 236,196,211.05 × 100,210,230.30
  4. Step 4: Simplify right side
    157,464,140.70x = 23,669,276,705,307,904
  5. Step 5: Solve for x
    x = 23,669,276,705,307,904/157,464,140.70
  6. Step 6: Final answer
    x = 150,315,345.45

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1.5x scale

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.