Home / 74,393,325.32-111,587,925.10-19,806,379.16

Finding the Fourth Proportional to 74,393,325.32, 111,587,925.10 and 19,806,379.16

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Solution

The fourth proportional to 74,393,325.32, 111,587,925.10 and 19,806,379.16 is: 29,709,019.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,393,325.32 : 111,587,925.10 = 19,806,379.16 : x
  2. Step 2: Convert to fraction form
    74,393,325.32/111,587,925.10 = 19,806,379.16/x
  3. Step 3: Cross multiply
    74,393,325.32x = 111,587,925.10 × 19,806,379.16
  4. Step 4: Simplify right side
    74,393,325.32x = 2,210,152,754,208,280.75
  5. Step 5: Solve for x
    x = 2,210,152,754,208,280.75/74,393,325.32
  6. Step 6: Final answer
    x = 29,709,019.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.