Home / 108,793,807.40-163,190,711.10-102,411,266.60

Finding the Fourth Proportional to 108,793,807.40, 163,190,711.10 and 102,411,266.60

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Solution

The fourth proportional to 108,793,807.40, 163,190,711.10 and 102,411,266.60 is: 153,616,899.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,793,807.40 : 163,190,711.10 = 102,411,266.60 : x
  2. Step 2: Convert to fraction form
    108,793,807.40/163,190,711.10 = 102,411,266.60/x
  3. Step 3: Cross multiply
    108,793,807.40x = 163,190,711.10 × 102,411,266.60
  4. Step 4: Simplify right side
    108,793,807.40x = 16,712,567,421,105,678
  5. Step 5: Solve for x
    x = 16,712,567,421,105,678/108,793,807.40
  6. Step 6: Final answer
    x = 153,616,899.90

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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.