Home / 258,051,291.60-387,076,937.40-193,554,037.20

Finding the Fourth Proportional to 258,051,291.60, 387,076,937.40 and 193,554,037.20

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Solution

The fourth proportional to 258,051,291.60, 387,076,937.40 and 193,554,037.20 is: 290,331,055.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,051,291.60 : 387,076,937.40 = 193,554,037.20 : x
  2. Step 2: Convert to fraction form
    258,051,291.60/387,076,937.40 = 193,554,037.20/x
  3. Step 3: Cross multiply
    258,051,291.60x = 387,076,937.40 × 193,554,037.20
  4. Step 4: Simplify right side
    258,051,291.60x = 74,920,303,940,781,664
  5. Step 5: Solve for x
    x = 74,920,303,940,781,664/258,051,291.60
  6. Step 6: Final answer
    x = 290,331,055.80

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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.