Home / 100,033,260.05-138,060,338.50-57,638,699.93

Finding the Fourth Proportional to 100,033,260.05, 138,060,338.50 and 57,638,699.93

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Solution

The fourth proportional to 100,033,260.05, 138,060,338.50 and 57,638,699.93 is: 79,549,725.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,033,260.05 : 138,060,338.50 = 57,638,699.93 : x
  2. Step 2: Convert to fraction form
    100,033,260.05/138,060,338.50 = 57,638,699.93/x
  3. Step 3: Cross multiply
    100,033,260.05x = 138,060,338.50 × 57,638,699.93
  4. Step 4: Simplify right side
    100,033,260.05x = 7,957,618,423,284,835
  5. Step 5: Solve for x
    x = 7,957,618,423,284,835/100,033,260.05
  6. Step 6: Final answer
    x = 79,549,725.96

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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.