Home / 116,272,657.60-174,408,986.40-81,835,280.80

Finding the Fourth Proportional to 116,272,657.60, 174,408,986.40 and 81,835,280.80

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Solution

The fourth proportional to 116,272,657.60, 174,408,986.40 and 81,835,280.80 is: 122,752,921.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,272,657.60 : 174,408,986.40 = 81,835,280.80 : x
  2. Step 2: Convert to fraction form
    116,272,657.60/174,408,986.40 = 81,835,280.80/x
  3. Step 3: Cross multiply
    116,272,657.60x = 174,408,986.40 × 81,835,280.80
  4. Step 4: Simplify right side
    116,272,657.60x = 14,272,808,376,087,382
  5. Step 5: Solve for x
    x = 14,272,808,376,087,382/116,272,657.60
  6. Step 6: Final answer
    x = 122,752,921.20

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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.