Home / 64,896,012.80-97,344,019.20-39,365,849.60

Finding the Fourth Proportional to 64,896,012.80, 97,344,019.20 and 39,365,849.60

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Solution

The fourth proportional to 64,896,012.80, 97,344,019.20 and 39,365,849.60 is: 59,048,774.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,896,012.80 : 97,344,019.20 = 39,365,849.60 : x
  2. Step 2: Convert to fraction form
    64,896,012.80/97,344,019.20 = 39,365,849.60/x
  3. Step 3: Cross multiply
    64,896,012.80x = 97,344,019.20 × 39,365,849.60
  4. Step 4: Simplify right side
    64,896,012.80x = 3,832,030,019,286,712.50
  5. Step 5: Solve for x
    x = 3,832,030,019,286,712.50/64,896,012.80
  6. Step 6: Final answer
    x = 59,048,774.40

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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.