Home / 258,075,361,731.06-387,047,013,372.24-76,515,739,337.81

Finding the Fourth Proportional to 258,075,361,731.06, 387,047,013,372.24 and 76,515,739,337.81

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Solution

The fourth proportional to 258,075,361,731.06, 387,047,013,372.24 and 76,515,739,337.81 is: 114,754,032,264.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,075,361,731.06 : 387,047,013,372.24 = 76,515,739,337.81 : x
  2. Step 2: Convert to fraction form
    258,075,361,731.06/387,047,013,372.24 = 76,515,739,337.81/x
  3. Step 3: Cross multiply
    258,075,361,731.06x = 387,047,013,372.24 × 76,515,739,337.81
  4. Step 4: Simplify right side
    258,075,361,731.06x = 29,615,188,386,668,949,274,624
  5. Step 5: Solve for x
    x = 29,615,188,386,668,949,274,624/258,075,361,731.06
  6. Step 6: Final answer
    x = 114,754,032,264.15

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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.