Home / 156,856,656.60-235,253,492.10-74,975,376.60

Finding the Fourth Proportional to 156,856,656.60, 235,253,492.10 and 74,975,376.60

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Solution

The fourth proportional to 156,856,656.60, 235,253,492.10 and 74,975,376.60 is: 112,448,011.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,856,656.60 : 235,253,492.10 = 74,975,376.60 : x
  2. Step 2: Convert to fraction form
    156,856,656.60/235,253,492.10 = 74,975,376.60/x
  3. Step 3: Cross multiply
    156,856,656.60x = 235,253,492.10 × 74,975,376.60
  4. Step 4: Simplify right side
    156,856,656.60x = 17,638,219,166,662,624
  5. Step 5: Solve for x
    x = 17,638,219,166,662,624/156,856,656.60
  6. Step 6: Final answer
    x = 112,448,011.76

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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.