Home / 145,211,461.60-217,817,192.40-112,332,978.40

Finding the Fourth Proportional to 145,211,461.60, 217,817,192.40 and 112,332,978.40

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Solution

The fourth proportional to 145,211,461.60, 217,817,192.40 and 112,332,978.40 is: 168,499,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,211,461.60 : 217,817,192.40 = 112,332,978.40 : x
  2. Step 2: Convert to fraction form
    145,211,461.60/217,817,192.40 = 112,332,978.40/x
  3. Step 3: Cross multiply
    145,211,461.60x = 217,817,192.40 × 112,332,978.40
  4. Step 4: Simplify right side
    145,211,461.60x = 24,468,053,969,017,848
  5. Step 5: Solve for x
    x = 24,468,053,969,017,848/145,211,461.60
  6. Step 6: Final answer
    x = 168,499,467.60

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1.5x scale

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.