Home / 194,031,086.40-291,087,064.80-64,678,881.60

Finding the Fourth Proportional to 194,031,086.40, 291,087,064.80 and 64,678,881.60

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Solution

The fourth proportional to 194,031,086.40, 291,087,064.80 and 64,678,881.60 is: 97,031,801.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,031,086.40 : 291,087,064.80 = 64,678,881.60 : x
  2. Step 2: Convert to fraction form
    194,031,086.40/291,087,064.80 = 64,678,881.60/x
  3. Step 3: Cross multiply
    194,031,086.40x = 291,087,064.80 × 64,678,881.60
  4. Step 4: Simplify right side
    194,031,086.40x = 18,827,185,799,490,728
  5. Step 5: Solve for x
    x = 18,827,185,799,490,728/194,031,086.40
  6. Step 6: Final answer
    x = 97,031,801.19

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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.