Home / 42,938,961.40-64,408,442.10-42,938,961.40

Finding the Fourth Proportional to 42,938,961.40, 64,408,442.10 and 42,938,961.40

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Solution

The fourth proportional to 42,938,961.40, 64,408,442.10 and 42,938,961.40 is: 64,408,442.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,938,961.40 : 64,408,442.10 = 42,938,961.40 : x
  2. Step 2: Convert to fraction form
    42,938,961.40/64,408,442.10 = 42,938,961.40/x
  3. Step 3: Cross multiply
    42,938,961.40x = 64,408,442.10 × 42,938,961.40
  4. Step 4: Simplify right side
    42,938,961.40x = 2,765,631,609,166,035
  5. Step 5: Solve for x
    x = 2,765,631,609,166,035/42,938,961.40
  6. Step 6: Final answer
    x = 64,408,442.10

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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.