Home / 52,166,047.76-78,223,903.32-21,865,775.12

Finding the Fourth Proportional to 52,166,047.76, 78,223,903.32 and 21,865,775.12

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Solution

The fourth proportional to 52,166,047.76, 78,223,903.32 and 21,865,775.12 is: 32,788,113.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,166,047.76 : 78,223,903.32 = 21,865,775.12 : x
  2. Step 2: Convert to fraction form
    52,166,047.76/78,223,903.32 = 21,865,775.12/x
  3. Step 3: Cross multiply
    52,166,047.76x = 78,223,903.32 × 21,865,775.12
  4. Step 4: Simplify right side
    52,166,047.76x = 1,710,426,279,003,741.25
  5. Step 5: Solve for x
    x = 1,710,426,279,003,741.25/52,166,047.76
  6. Step 6: Final answer
    x = 32,788,113.20

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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.