Home / 92,929,041.10-128,269,110.23-61,989,136.57

Finding the Fourth Proportional to 92,929,041.10, 128,269,110.23 and 61,989,136.57

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Solution

The fourth proportional to 92,929,041.10, 128,269,110.23 and 61,989,136.57 is: 85,563,041.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,929,041.10 : 128,269,110.23 = 61,989,136.57 : x
  2. Step 2: Convert to fraction form
    92,929,041.10/128,269,110.23 = 61,989,136.57/x
  3. Step 3: Cross multiply
    92,929,041.10x = 128,269,110.23 × 61,989,136.57
  4. Step 4: Simplify right side
    92,929,041.10x = 7,951,291,391,759,854
  5. Step 5: Solve for x
    x = 7,951,291,391,759,854/92,929,041.10
  6. Step 6: Final answer
    x = 85,563,041.41

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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.