Home / 176,276,602.47-243,005,328.51-123,188,486.25

Finding the Fourth Proportional to 176,276,602.47, 243,005,328.51 and 123,188,486.25

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Solution

The fourth proportional to 176,276,602.47, 243,005,328.51 and 123,188,486.25 is: 169,820,941.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,276,602.47 : 243,005,328.51 = 123,188,486.25 : x
  2. Step 2: Convert to fraction form
    176,276,602.47/243,005,328.51 = 123,188,486.25/x
  3. Step 3: Cross multiply
    176,276,602.47x = 243,005,328.51 × 123,188,486.25
  4. Step 4: Simplify right side
    176,276,602.47x = 29,935,458,569,830,868
  5. Step 5: Solve for x
    x = 29,935,458,569,830,868/176,276,602.47
  6. Step 6: Final answer
    x = 169,820,941.35

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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.