Home / 79,341,705.40-119,012,558.10-73,602,142.60

Finding the Fourth Proportional to 79,341,705.40, 119,012,558.10 and 73,602,142.60

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Solution

The fourth proportional to 79,341,705.40, 119,012,558.10 and 73,602,142.60 is: 110,403,213.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,341,705.40 : 119,012,558.10 = 73,602,142.60 : x
  2. Step 2: Convert to fraction form
    79,341,705.40/119,012,558.10 = 73,602,142.60/x
  3. Step 3: Cross multiply
    79,341,705.40x = 119,012,558.10 × 73,602,142.60
  4. Step 4: Simplify right side
    79,341,705.40x = 8,759,579,272,466,984
  5. Step 5: Solve for x
    x = 8,759,579,272,466,984/79,341,705.40
  6. Step 6: Final answer
    x = 110,403,213.90

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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.