Home / 64,877,765.82-89,521,685.63-39,403,928.98

Finding the Fourth Proportional to 64,877,765.82, 89,521,685.63 and 39,403,928.98

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Solution

The fourth proportional to 64,877,765.82, 89,521,685.63 and 39,403,928.98 is: 54,371,572.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,877,765.82 : 89,521,685.63 = 39,403,928.98 : x
  2. Step 2: Convert to fraction form
    64,877,765.82/89,521,685.63 = 39,403,928.98/x
  3. Step 3: Cross multiply
    64,877,765.82x = 89,521,685.63 × 39,403,928.98
  4. Step 4: Simplify right side
    64,877,765.82x = 3,527,506,142,648,720.50
  5. Step 5: Solve for x
    x = 3,527,506,142,648,720.50/64,877,765.82
  6. Step 6: Final answer
    x = 54,371,572.42

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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.