Home / 383,637,031.60-575,455,547.40-141,268,442.80

Finding the Fourth Proportional to 383,637,031.60, 575,455,547.40 and 141,268,442.80

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Solution

The fourth proportional to 383,637,031.60, 575,455,547.40 and 141,268,442.80 is: 211,902,664.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,637,031.60 : 575,455,547.40 = 141,268,442.80 : x
  2. Step 2: Convert to fraction form
    383,637,031.60/575,455,547.40 = 141,268,442.80/x
  3. Step 3: Cross multiply
    383,637,031.60x = 575,455,547.40 × 141,268,442.80
  4. Step 4: Simplify right side
    383,637,031.60x = 81,293,709,081,819,600
  5. Step 5: Solve for x
    x = 81,293,709,081,819,600/383,637,031.60
  6. Step 6: Final answer
    x = 211,902,664.20

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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.