Home / 102,622,402.16-141,618,870.12-55,579,478.01

Finding the Fourth Proportional to 102,622,402.16, 141,618,870.12 and 55,579,478.01

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Solution

The fourth proportional to 102,622,402.16, 141,618,870.12 and 55,579,478.01 is: 76,699,655.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,622,402.16 : 141,618,870.12 = 55,579,478.01 : x
  2. Step 2: Convert to fraction form
    102,622,402.16/141,618,870.12 = 55,579,478.01/x
  3. Step 3: Cross multiply
    102,622,402.16x = 141,618,870.12 × 55,579,478.01
  4. Step 4: Simplify right side
    102,622,402.16x = 7,871,102,877,635,586
  5. Step 5: Solve for x
    x = 7,871,102,877,635,586/102,622,402.16
  6. Step 6: Final answer
    x = 76,699,655.36

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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.