Home / 42,913,344.90-64,370,017.35-38,236,664.10

Finding the Fourth Proportional to 42,913,344.90, 64,370,017.35 and 38,236,664.10

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Solution

The fourth proportional to 42,913,344.90, 64,370,017.35 and 38,236,664.10 is: 57,354,996.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,913,344.90 : 64,370,017.35 = 38,236,664.10 : x
  2. Step 2: Convert to fraction form
    42,913,344.90/64,370,017.35 = 38,236,664.10/x
  3. Step 3: Cross multiply
    42,913,344.90x = 64,370,017.35 × 38,236,664.10
  4. Step 4: Simplify right side
    42,913,344.90x = 2,461,294,731,523,122.50
  5. Step 5: Solve for x
    x = 2,461,294,731,523,122.50/42,913,344.90
  6. Step 6: Final answer
    x = 57,354,996.15

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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.