Home / 152,996,207.52-211,128,607.44-83,380,090.08

Finding the Fourth Proportional to 152,996,207.52, 211,128,607.44 and 83,380,090.08

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Solution

The fourth proportional to 152,996,207.52, 211,128,607.44 and 83,380,090.08 is: 115,061,167.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,996,207.52 : 211,128,607.44 = 83,380,090.08 : x
  2. Step 2: Convert to fraction form
    152,996,207.52/211,128,607.44 = 83,380,090.08/x
  3. Step 3: Cross multiply
    152,996,207.52x = 211,128,607.44 × 83,380,090.08
  4. Step 4: Simplify right side
    152,996,207.52x = 17,603,922,306,812,158
  5. Step 5: Solve for x
    x = 17,603,922,306,812,158/152,996,207.52
  6. Step 6: Final answer
    x = 115,061,167.80

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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.