Home / 80,849,237.60-121,273,856.40-23,343,384.80

Finding the Fourth Proportional to 80,849,237.60, 121,273,856.40 and 23,343,384.80

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Solution

The fourth proportional to 80,849,237.60, 121,273,856.40 and 23,343,384.80 is: 35,015,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,849,237.60 : 121,273,856.40 = 23,343,384.80 : x
  2. Step 2: Convert to fraction form
    80,849,237.60/121,273,856.40 = 23,343,384.80/x
  3. Step 3: Cross multiply
    80,849,237.60x = 121,273,856.40 × 23,343,384.80
  4. Step 4: Simplify right side
    80,849,237.60x = 2,830,942,296,125,143
  5. Step 5: Solve for x
    x = 2,830,942,296,125,143/80,849,237.60
  6. Step 6: Final answer
    x = 35,015,077.20

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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.