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Finding the Fourth Proportional to 156,597,345.60, 234,896,018.40 and 156,597,345.60

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Solution

The fourth proportional to 156,597,345.60, 234,896,018.40 and 156,597,345.60 is: 234,896,018.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,597,345.60 : 234,896,018.40 = 156,597,345.60 : x
  2. Step 2: Convert to fraction form
    156,597,345.60/234,896,018.40 = 156,597,345.60/x
  3. Step 3: Cross multiply
    156,597,345.60x = 234,896,018.40 × 156,597,345.60
  4. Step 4: Simplify right side
    156,597,345.60x = 36,784,092,973,448,760
  5. Step 5: Solve for x
    x = 36,784,092,973,448,760/156,597,345.60
  6. Step 6: Final answer
    x = 234,896,018.40

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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.