Home / 65,376,072.80-98,064,109.20-42,701,256.80

Finding the Fourth Proportional to 65,376,072.80, 98,064,109.20 and 42,701,256.80

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Solution

The fourth proportional to 65,376,072.80, 98,064,109.20 and 42,701,256.80 is: 64,051,885.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,376,072.80 : 98,064,109.20 = 42,701,256.80 : x
  2. Step 2: Convert to fraction form
    65,376,072.80/98,064,109.20 = 42,701,256.80/x
  3. Step 3: Cross multiply
    65,376,072.80x = 98,064,109.20 × 42,701,256.80
  4. Step 4: Simplify right side
    65,376,072.80x = 4,187,460,709,812,442.50
  5. Step 5: Solve for x
    x = 4,187,460,709,812,442.50/65,376,072.80
  6. Step 6: Final answer
    x = 64,051,885.20

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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.