Home / 144,059,529.76-216,107,895.96-66,317,683.52

Finding the Fourth Proportional to 144,059,529.76, 216,107,895.96 and 66,317,683.52

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Solution

The fourth proportional to 144,059,529.76, 216,107,895.96 and 66,317,683.52 is: 99,485,088.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,059,529.76 : 216,107,895.96 = 66,317,683.52 : x
  2. Step 2: Convert to fraction form
    144,059,529.76/216,107,895.96 = 66,317,683.52/x
  3. Step 3: Cross multiply
    144,059,529.76x = 216,107,895.96 × 66,317,683.52
  4. Step 4: Simplify right side
    144,059,529.76x = 14,331,775,050,448,368
  5. Step 5: Solve for x
    x = 14,331,775,050,448,368/144,059,529.76
  6. Step 6: Final answer
    x = 99,485,088.38

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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.