Home / 137,755,436.22-190,102,484.93-75,875,774.78

Finding the Fourth Proportional to 137,755,436.22, 190,102,484.93 and 75,875,774.78

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Solution

The fourth proportional to 137,755,436.22, 190,102,484.93 and 75,875,774.78 is: 104,708,559.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,755,436.22 : 190,102,484.93 = 75,875,774.78 : x
  2. Step 2: Convert to fraction form
    137,755,436.22/190,102,484.93 = 75,875,774.78/x
  3. Step 3: Cross multiply
    137,755,436.22x = 190,102,484.93 × 75,875,774.78
  4. Step 4: Simplify right side
    137,755,436.22x = 14,424,173,331,762,902
  5. Step 5: Solve for x
    x = 14,424,173,331,762,902/137,755,436.22
  6. Step 6: Final answer
    x = 104,708,559.80

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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.