Home / 156,687,339.60-235,031,009.40-140,814,968.40

Finding the Fourth Proportional to 156,687,339.60, 235,031,009.40 and 140,814,968.40

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Solution

The fourth proportional to 156,687,339.60, 235,031,009.40 and 140,814,968.40 is: 211,222,452.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,687,339.60 : 235,031,009.40 = 140,814,968.40 : x
  2. Step 2: Convert to fraction form
    156,687,339.60/235,031,009.40 = 140,814,968.40/x
  3. Step 3: Cross multiply
    156,687,339.60x = 235,031,009.40 × 140,814,968.40
  4. Step 4: Simplify right side
    156,687,339.60x = 33,095,884,161,681,104
  5. Step 5: Solve for x
    x = 33,095,884,161,681,104/156,687,339.60
  6. Step 6: Final answer
    x = 211,222,452.60

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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.