Home / 52,230,137.51-78,243,047.94-43,021,330.13

Finding the Fourth Proportional to 52,230,137.51, 78,243,047.94 and 43,021,330.13

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Solution

The fourth proportional to 52,230,137.51, 78,243,047.94 and 43,021,330.13 is: 64,447,848.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,230,137.51 : 78,243,047.94 = 43,021,330.13 : x
  2. Step 2: Convert to fraction form
    52,230,137.51/78,243,047.94 = 43,021,330.13/x
  3. Step 3: Cross multiply
    52,230,137.51x = 78,243,047.94 × 43,021,330.13
  4. Step 4: Simplify right side
    52,230,137.51x = 3,366,119,995,804,156.50
  5. Step 5: Solve for x
    x = 3,366,119,995,804,156.50/52,230,137.51
  6. Step 6: Final answer
    x = 64,447,848.62

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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.