Home / 156,490,677.10-234,736,015.65-98,291,982.70

Finding the Fourth Proportional to 156,490,677.10, 234,736,015.65 and 98,291,982.70

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Solution

The fourth proportional to 156,490,677.10, 234,736,015.65 and 98,291,982.70 is: 147,437,974.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,490,677.10 : 234,736,015.65 = 98,291,982.70 : x
  2. Step 2: Convert to fraction form
    156,490,677.10/234,736,015.65 = 98,291,982.70/x
  3. Step 3: Cross multiply
    156,490,677.10x = 234,736,015.65 × 98,291,982.70
  4. Step 4: Simplify right side
    156,490,677.10x = 23,072,668,389,336,732
  5. Step 5: Solve for x
    x = 23,072,668,389,336,732/156,490,677.10
  6. Step 6: Final answer
    x = 147,437,974.05

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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.