Home / 102,630,917.40-141,576,970.08-63,460,172.76

Finding the Fourth Proportional to 102,630,917.40, 141,576,970.08 and 63,460,172.76

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Solution

The fourth proportional to 102,630,917.40, 141,576,970.08 and 63,460,172.76 is: 87,541,836.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,630,917.40 : 141,576,970.08 = 63,460,172.76 : x
  2. Step 2: Convert to fraction form
    102,630,917.40/141,576,970.08 = 63,460,172.76/x
  3. Step 3: Cross multiply
    102,630,917.40x = 141,576,970.08 × 63,460,172.76
  4. Step 4: Simplify right side
    102,630,917.40x = 8,984,498,980,114,152
  5. Step 5: Solve for x
    x = 8,984,498,980,114,152/102,630,917.40
  6. Step 6: Final answer
    x = 87,541,836.40

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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.