Home / 72,114,124.16-99,437,009.76-52,228,561.44

Finding the Fourth Proportional to 72,114,124.16, 99,437,009.76 and 52,228,561.44

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Solution

The fourth proportional to 72,114,124.16, 99,437,009.76 and 52,228,561.44 is: 72,017,126.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,114,124.16 : 99,437,009.76 = 52,228,561.44 : x
  2. Step 2: Convert to fraction form
    72,114,124.16/99,437,009.76 = 52,228,561.44/x
  3. Step 3: Cross multiply
    72,114,124.16x = 99,437,009.76 × 52,228,561.44
  4. Step 4: Simplify right side
    72,114,124.16x = 5,193,451,973,660,040
  5. Step 5: Solve for x
    x = 5,193,451,973,660,040/72,114,124.16
  6. Step 6: Final answer
    x = 72,017,126.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.