Home / 156,712,341.80-235,068,512.70-113,714,172.20

Finding the Fourth Proportional to 156,712,341.80, 235,068,512.70 and 113,714,172.20

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Solution

The fourth proportional to 156,712,341.80, 235,068,512.70 and 113,714,172.20 is: 170,571,258.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,712,341.80 : 235,068,512.70 = 113,714,172.20 : x
  2. Step 2: Convert to fraction form
    156,712,341.80/235,068,512.70 = 113,714,172.20/x
  3. Step 3: Cross multiply
    156,712,341.80x = 235,068,512.70 × 113,714,172.20
  4. Step 4: Simplify right side
    156,712,341.80x = 26,730,621,331,965,688
  5. Step 5: Solve for x
    x = 26,730,621,331,965,688/156,712,341.80
  6. Step 6: Final answer
    x = 170,571,258.30

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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.