Home / 194,107,987.17-291,164,554.94-64,715,638.77

Finding the Fourth Proportional to 194,107,987.17, 291,164,554.94 and 64,715,638.77

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Solution

The fourth proportional to 194,107,987.17, 291,164,554.94 and 64,715,638.77 is: 97,074,316.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,107,987.17 : 291,164,554.94 = 64,715,638.77 : x
  2. Step 2: Convert to fraction form
    194,107,987.17/291,164,554.94 = 64,715,638.77/x
  3. Step 3: Cross multiply
    194,107,987.17x = 291,164,554.94 × 64,715,638.77
  4. Step 4: Simplify right side
    194,107,987.17x = 18,842,900,159,801,280
  5. Step 5: Solve for x
    x = 18,842,900,159,801,280/194,107,987.17
  6. Step 6: Final answer
    x = 97,074,316.39

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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.