Home / 56,333,407.28-77,701,288.01-39,623,586.63

Finding the Fourth Proportional to 56,333,407.28, 77,701,288.01 and 39,623,586.63

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Solution

The fourth proportional to 56,333,407.28, 77,701,288.01 and 39,623,586.63 is: 54,653,248.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,333,407.28 : 77,701,288.01 = 39,623,586.63 : x
  2. Step 2: Convert to fraction form
    56,333,407.28/77,701,288.01 = 39,623,586.63/x
  3. Step 3: Cross multiply
    56,333,407.28x = 77,701,288.01 × 39,623,586.63
  4. Step 4: Simplify right side
    56,333,407.28x = 3,078,803,716,237,317.50
  5. Step 5: Solve for x
    x = 3,078,803,716,237,317.50/56,333,407.28
  6. Step 6: Final answer
    x = 54,653,248.67

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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.