Home / 155,370,714-214,411,585.44-86,693,082

Finding the Fourth Proportional to 155,370,714, 214,411,585.44 and 86,693,082

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Solution

The fourth proportional to 155,370,714, 214,411,585.44 and 86,693,082 is: 119,636,453.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,370,714 : 214,411,585.44 = 86,693,082 : x
  2. Step 2: Convert to fraction form
    155,370,714/214,411,585.44 = 86,693,082/x
  3. Step 3: Cross multiply
    155,370,714x = 214,411,585.44 × 86,693,082
  4. Step 4: Simplify right side
    155,370,714x = 18,588,001,158,299,924
  5. Step 5: Solve for x
    x = 18,588,001,158,299,924/155,370,714
  6. Step 6: Final answer
    x = 119,636,453.23

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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.