Home / 157,464,198.90-236,196,298.35-142,158,698.10

Finding the Fourth Proportional to 157,464,198.90, 236,196,298.35 and 142,158,698.10

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Solution

The fourth proportional to 157,464,198.90, 236,196,298.35 and 142,158,698.10 is: 213,238,047.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,198.90 : 236,196,298.35 = 142,158,698.10 : x
  2. Step 2: Convert to fraction form
    157,464,198.90/236,196,298.35 = 142,158,698.10/x
  3. Step 3: Cross multiply
    157,464,198.90x = 236,196,298.35 × 142,158,698.10
  4. Step 4: Simplify right side
    157,464,198.90x = 33,577,358,269,475,176
  5. Step 5: Solve for x
    x = 33,577,358,269,475,176/157,464,198.90
  6. Step 6: Final answer
    x = 213,238,047.15

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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.