Home / 143,829,085.60-215,495,622.60-66,994,526.80

Finding the Fourth Proportional to 143,829,085.60, 215,495,622.60 and 66,994,526.80

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Solution

The fourth proportional to 143,829,085.60, 215,495,622.60 and 66,994,526.80 is: 100,376,270.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,829,085.60 : 215,495,622.60 = 66,994,526.80 : x
  2. Step 2: Convert to fraction form
    143,829,085.60/215,495,622.60 = 66,994,526.80/x
  3. Step 3: Cross multiply
    143,829,085.60x = 215,495,622.60 × 66,994,526.80
  4. Step 4: Simplify right side
    143,829,085.60x = 14,437,027,263,558,384
  5. Step 5: Solve for x
    x = 14,437,027,263,558,384/143,829,085.60
  6. Step 6: Final answer
    x = 100,376,270.93

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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.