Home / 65,285,430.40-97,928,145.60-39,307,369.60

Finding the Fourth Proportional to 65,285,430.40, 97,928,145.60 and 39,307,369.60

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Solution

The fourth proportional to 65,285,430.40, 97,928,145.60 and 39,307,369.60 is: 58,961,054.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,285,430.40 : 97,928,145.60 = 39,307,369.60 : x
  2. Step 2: Convert to fraction form
    65,285,430.40/97,928,145.60 = 39,307,369.60/x
  3. Step 3: Cross multiply
    65,285,430.40x = 97,928,145.60 × 39,307,369.60
  4. Step 4: Simplify right side
    65,285,430.40x = 3,849,297,813,341,813.50
  5. Step 5: Solve for x
    x = 3,849,297,813,341,813.50/65,285,430.40
  6. Step 6: Final answer
    x = 58,961,054.40

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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.