Home / 75,013,047.76-112,373,980.75-55,281,339.35

Finding the Fourth Proportional to 75,013,047.76, 112,373,980.75 and 55,281,339.35

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Solution

The fourth proportional to 75,013,047.76, 112,373,980.75 and 55,281,339.35 is: 82,814,714.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,013,047.76 : 112,373,980.75 = 55,281,339.35 : x
  2. Step 2: Convert to fraction form
    75,013,047.76/112,373,980.75 = 55,281,339.35/x
  3. Step 3: Cross multiply
    75,013,047.76x = 112,373,980.75 × 55,281,339.35
  4. Step 4: Simplify right side
    75,013,047.76x = 6,212,184,163,674,711
  5. Step 5: Solve for x
    x = 6,212,184,163,674,711/75,013,047.76
  6. Step 6: Final answer
    x = 82,814,714.90

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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.