Home / 176,219,670.78-242,875,322.37-129,076,587.81

Finding the Fourth Proportional to 176,219,670.78, 242,875,322.37 and 129,076,587.81

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Solution

The fourth proportional to 176,219,670.78, 242,875,322.37 and 129,076,587.81 is: 177,900,218.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,219,670.78 : 242,875,322.37 = 129,076,587.81 : x
  2. Step 2: Convert to fraction form
    176,219,670.78/242,875,322.37 = 129,076,587.81/x
  3. Step 3: Cross multiply
    176,219,670.78x = 242,875,322.37 × 129,076,587.81
  4. Step 4: Simplify right side
    176,219,670.78x = 31,349,517,874,773,364
  5. Step 5: Solve for x
    x = 31,349,517,874,773,364/176,219,670.78
  6. Step 6: Final answer
    x = 177,900,218.15

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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.