Home / 89,905,123.48-124,069,070.56-48,652,015.84

Finding the Fourth Proportional to 89,905,123.48, 124,069,070.56 and 48,652,015.84

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Solution

The fourth proportional to 89,905,123.48, 124,069,070.56 and 48,652,015.84 is: 67,139,781.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,905,123.48 : 124,069,070.56 = 48,652,015.84 : x
  2. Step 2: Convert to fraction form
    89,905,123.48/124,069,070.56 = 48,652,015.84/x
  3. Step 3: Cross multiply
    89,905,123.48x = 124,069,070.56 × 48,652,015.84
  4. Step 4: Simplify right side
    89,905,123.48x = 6,036,210,386,139,198
  5. Step 5: Solve for x
    x = 6,036,210,386,139,198/89,905,123.48
  6. Step 6: Final answer
    x = 67,139,781.94

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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.