Home / 74,208,019.35-103,678,890.45-74,208,019.35

Finding the Fourth Proportional to 74,208,019.35, 103,678,890.45 and 74,208,019.35

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Solution

The fourth proportional to 74,208,019.35, 103,678,890.45 and 74,208,019.35 is: 103,678,890.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,208,019.35 : 103,678,890.45 = 74,208,019.35 : x
  2. Step 2: Convert to fraction form
    74,208,019.35/103,678,890.45 = 74,208,019.35/x
  3. Step 3: Cross multiply
    74,208,019.35x = 103,678,890.45 × 74,208,019.35
  4. Step 4: Simplify right side
    74,208,019.35x = 7,693,805,108,700,130
  5. Step 5: Solve for x
    x = 7,693,805,108,700,130/74,208,019.35
  6. Step 6: Final answer
    x = 103,678,890.45

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.