Home / 352,243,381.20-528,365,071.80-96,941,749.20

Finding the Fourth Proportional to 352,243,381.20, 528,365,071.80 and 96,941,749.20

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Solution

The fourth proportional to 352,243,381.20, 528,365,071.80 and 96,941,749.20 is: 145,412,623.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,243,381.20 : 528,365,071.80 = 96,941,749.20 : x
  2. Step 2: Convert to fraction form
    352,243,381.20/528,365,071.80 = 96,941,749.20/x
  3. Step 3: Cross multiply
    352,243,381.20x = 528,365,071.80 × 96,941,749.20
  4. Step 4: Simplify right side
    352,243,381.20x = 51,220,634,276,475,592
  5. Step 5: Solve for x
    x = 51,220,634,276,475,592/352,243,381.20
  6. Step 6: Final answer
    x = 145,412,623.80

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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.