Home / 187,535,999.02-258,799,678.65-105,029,783.77

Finding the Fourth Proportional to 187,535,999.02, 258,799,678.65 and 105,029,783.77

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Solution

The fourth proportional to 187,535,999.02, 258,799,678.65 and 105,029,783.77 is: 144,941,101.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,535,999.02 : 258,799,678.65 = 105,029,783.77 : x
  2. Step 2: Convert to fraction form
    187,535,999.02/258,799,678.65 = 105,029,783.77/x
  3. Step 3: Cross multiply
    187,535,999.02x = 258,799,678.65 × 105,029,783.77
  4. Step 4: Simplify right side
    187,535,999.02x = 27,181,674,288,354,984
  5. Step 5: Solve for x
    x = 27,181,674,288,354,984/187,535,999.02
  6. Step 6: Final answer
    x = 144,941,101.60

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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.