Home / 112,013,130.60-168,019,695.90-48,312,138.60

Finding the Fourth Proportional to 112,013,130.60, 168,019,695.90 and 48,312,138.60

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Solution

The fourth proportional to 112,013,130.60, 168,019,695.90 and 48,312,138.60 is: 72,468,207.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,013,130.60 : 168,019,695.90 = 48,312,138.60 : x
  2. Step 2: Convert to fraction form
    112,013,130.60/168,019,695.90 = 48,312,138.60/x
  3. Step 3: Cross multiply
    112,013,130.60x = 168,019,695.90 × 48,312,138.60
  4. Step 4: Simplify right side
    112,013,130.60x = 8,117,390,835,850,652
  5. Step 5: Solve for x
    x = 8,117,390,835,850,652/112,013,130.60
  6. Step 6: Final answer
    x = 72,468,207.90

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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.