Home / 67,140,316.64-100,710,475.20-21,702,111.08

Finding the Fourth Proportional to 67,140,316.64, 100,710,475.20 and 21,702,111.08

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Solution

The fourth proportional to 67,140,316.64, 100,710,475.20 and 21,702,111.08 is: 32,553,166.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,140,316.64 : 100,710,475.20 = 21,702,111.08 : x
  2. Step 2: Convert to fraction form
    67,140,316.64/100,710,475.20 = 21,702,111.08/x
  3. Step 3: Cross multiply
    67,140,316.64x = 100,710,475.20 × 21,702,111.08
  4. Step 4: Simplify right side
    67,140,316.64x = 2,185,629,919,709,985
  5. Step 5: Solve for x
    x = 2,185,629,919,709,985/67,140,316.64
  6. Step 6: Final answer
    x = 32,553,166.70

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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.