Home / 153,408,588.48-211,702,442.40-83,793,948.48

Finding the Fourth Proportional to 153,408,588.48, 211,702,442.40 and 83,793,948.48

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Solution

The fourth proportional to 153,408,588.48, 211,702,442.40 and 83,793,948.48 is: 115,634,878.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,408,588.48 : 211,702,442.40 = 83,793,948.48 : x
  2. Step 2: Convert to fraction form
    153,408,588.48/211,702,442.40 = 83,793,948.48/x
  3. Step 3: Cross multiply
    153,408,588.48x = 211,702,442.40 × 83,793,948.48
  4. Step 4: Simplify right side
    153,408,588.48x = 17,739,383,551,555,768
  5. Step 5: Solve for x
    x = 17,739,383,551,555,768/153,408,588.48
  6. Step 6: Final answer
    x = 115,634,878.90

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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.