Home / 42,768,020.20-64,152,030.30-34,705,863.40

Finding the Fourth Proportional to 42,768,020.20, 64,152,030.30 and 34,705,863.40

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Solution

The fourth proportional to 42,768,020.20, 64,152,030.30 and 34,705,863.40 is: 52,058,795.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768,020.20 : 64,152,030.30 = 34,705,863.40 : x
  2. Step 2: Convert to fraction form
    42,768,020.20/64,152,030.30 = 34,705,863.40/x
  3. Step 3: Cross multiply
    42,768,020.20x = 64,152,030.30 × 34,705,863.40
  4. Step 4: Simplify right side
    42,768,020.20x = 2,226,451,600,424,460.75
  5. Step 5: Solve for x
    x = 2,226,451,600,424,460.75/42,768,020.20
  6. Step 6: Final answer
    x = 52,058,795.10

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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.