Home / 162,677,516.40-224,411,962.86-103,878,359.28

Finding the Fourth Proportional to 162,677,516.40, 224,411,962.86 and 103,878,359.28

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Solution

The fourth proportional to 162,677,516.40, 224,411,962.86 and 103,878,359.28 is: 143,299,129.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,677,516.40 : 224,411,962.86 = 103,878,359.28 : x
  2. Step 2: Convert to fraction form
    162,677,516.40/224,411,962.86 = 103,878,359.28/x
  3. Step 3: Cross multiply
    162,677,516.40x = 224,411,962.86 × 103,878,359.28
  4. Step 4: Simplify right side
    162,677,516.40x = 23,311,546,504,701,100
  5. Step 5: Solve for x
    x = 23,311,546,504,701,100/162,677,516.40
  6. Step 6: Final answer
    x = 143,299,129.59

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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.