Home / 74,342,328.62-102,586,398.77-42,982,389.64

Finding the Fourth Proportional to 74,342,328.62, 102,586,398.77 and 42,982,389.64

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Solution

The fourth proportional to 74,342,328.62, 102,586,398.77 and 42,982,389.64 is: 59,312,220.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,342,328.62 : 102,586,398.77 = 42,982,389.64 : x
  2. Step 2: Convert to fraction form
    74,342,328.62/102,586,398.77 = 42,982,389.64/x
  3. Step 3: Cross multiply
    74,342,328.62x = 102,586,398.77 × 42,982,389.64
  4. Step 4: Simplify right side
    74,342,328.62x = 4,409,408,563,128,952.50
  5. Step 5: Solve for x
    x = 4,409,408,563,128,952.50/74,342,328.62
  6. Step 6: Final answer
    x = 59,312,220.17

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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.