Home / 103,666,966.76-143,059,563.60-56,624,070.26

Finding the Fourth Proportional to 103,666,966.76, 143,059,563.60 and 56,624,070.26

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Solution

The fourth proportional to 103,666,966.76, 143,059,563.60 and 56,624,070.26 is: 78,140,752.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,666,966.76 : 143,059,563.60 = 56,624,070.26 : x
  2. Step 2: Convert to fraction form
    103,666,966.76/143,059,563.60 = 56,624,070.26/x
  3. Step 3: Cross multiply
    103,666,966.76x = 143,059,563.60 × 56,624,070.26
  4. Step 4: Simplify right side
    103,666,966.76x = 8,100,614,780,651,338
  5. Step 5: Solve for x
    x = 8,100,614,780,651,338/103,666,966.76
  6. Step 6: Final answer
    x = 78,140,752.39

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1.5x scale

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.