Home / 104,328,143.10-156,492,214.65-66,032,898.30

Finding the Fourth Proportional to 104,328,143.10, 156,492,214.65 and 66,032,898.30

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Solution

The fourth proportional to 104,328,143.10, 156,492,214.65 and 66,032,898.30 is: 99,049,347.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,328,143.10 : 156,492,214.65 = 66,032,898.30 : x
  2. Step 2: Convert to fraction form
    104,328,143.10/156,492,214.65 = 66,032,898.30/x
  3. Step 3: Cross multiply
    104,328,143.10x = 156,492,214.65 × 66,032,898.30
  4. Step 4: Simplify right side
    104,328,143.10x = 10,333,634,494,725,220
  5. Step 5: Solve for x
    x = 10,333,634,494,725,220/104,328,143.10
  6. Step 6: Final answer
    x = 99,049,347.45

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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.