Home / 212,338,612.58-293,008,595.55-118,245,649.46

Finding the Fourth Proportional to 212,338,612.58, 293,008,595.55 and 118,245,649.46

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Solution

The fourth proportional to 212,338,612.58, 293,008,595.55 and 118,245,649.46 is: 163,168,588.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,338,612.58 : 293,008,595.55 = 118,245,649.46 : x
  2. Step 2: Convert to fraction form
    212,338,612.58/293,008,595.55 = 118,245,649.46/x
  3. Step 3: Cross multiply
    212,338,612.58x = 293,008,595.55 × 118,245,649.46
  4. Step 4: Simplify right side
    212,338,612.58x = 34,646,991,678,172,216
  5. Step 5: Solve for x
    x = 34,646,991,678,172,216/212,338,612.58
  6. Step 6: Final answer
    x = 163,168,588.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.