Home / 102,216,654.20-141,058,245.21-55,806,908

Finding the Fourth Proportional to 102,216,654.20, 141,058,245.21 and 55,806,908

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Solution

The fourth proportional to 102,216,654.20, 141,058,245.21 and 55,806,908 is: 77,013,130.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,216,654.20 : 141,058,245.21 = 55,806,908 : x
  2. Step 2: Convert to fraction form
    102,216,654.20/141,058,245.21 = 55,806,908/x
  3. Step 3: Cross multiply
    102,216,654.20x = 141,058,245.21 × 55,806,908
  4. Step 4: Simplify right side
    102,216,654.20x = 7,872,024,513,075,911
  5. Step 5: Solve for x
    x = 7,872,024,513,075,911/102,216,654.20
  6. Step 6: Final answer
    x = 77,013,130.34

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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.