Home / 112,319,458.80-168,479,188.20-58,459,772.40

Finding the Fourth Proportional to 112,319,458.80, 168,479,188.20 and 58,459,772.40

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Solution

The fourth proportional to 112,319,458.80, 168,479,188.20 and 58,459,772.40 is: 87,689,658.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,319,458.80 : 168,479,188.20 = 58,459,772.40 : x
  2. Step 2: Convert to fraction form
    112,319,458.80/168,479,188.20 = 58,459,772.40/x
  3. Step 3: Cross multiply
    112,319,458.80x = 168,479,188.20 × 58,459,772.40
  4. Step 4: Simplify right side
    112,319,458.80x = 9,849,254,996,308,764
  5. Step 5: Solve for x
    x = 9,849,254,996,308,764/112,319,458.80
  6. Step 6: Final answer
    x = 87,689,658.60

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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.