Home / 70,763,403.87-97,637,339.25-39,812,280.03

Finding the Fourth Proportional to 70,763,403.87, 97,637,339.25 and 39,812,280.03

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Solution

The fourth proportional to 70,763,403.87, 97,637,339.25 and 39,812,280.03 is: 54,931,855.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,763,403.87 : 97,637,339.25 = 39,812,280.03 : x
  2. Step 2: Convert to fraction form
    70,763,403.87/97,637,339.25 = 39,812,280.03/x
  3. Step 3: Cross multiply
    70,763,403.87x = 97,637,339.25 × 39,812,280.03
  4. Step 4: Simplify right side
    70,763,403.87x = 3,887,165,091,605,110.50
  5. Step 5: Solve for x
    x = 3,887,165,091,605,110.50/70,763,403.87
  6. Step 6: Final answer
    x = 54,931,855.72

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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.