Home / 258,805,320.54-357,181,989.80-145,778,532.49

Finding the Fourth Proportional to 258,805,320.54, 357,181,989.80 and 145,778,532.49

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Solution

The fourth proportional to 258,805,320.54, 357,181,989.80 and 145,778,532.49 is: 201,191,637.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,805,320.54 : 357,181,989.80 = 145,778,532.49 : x
  2. Step 2: Convert to fraction form
    258,805,320.54/357,181,989.80 = 145,778,532.49/x
  3. Step 3: Cross multiply
    258,805,320.54x = 357,181,989.80 × 145,778,532.49
  4. Step 4: Simplify right side
    258,805,320.54x = 52,069,466,304,902,152
  5. Step 5: Solve for x
    x = 52,069,466,304,902,152/258,805,320.54
  6. Step 6: Final answer
    x = 201,191,637.78

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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.