Home / 143,353,355.52-215,101,802.64-65,630,110.08

Finding the Fourth Proportional to 143,353,355.52, 215,101,802.64 and 65,630,110.08

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Solution

The fourth proportional to 143,353,355.52, 215,101,802.64 and 65,630,110.08 is: 98,478,022.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,353,355.52 : 215,101,802.64 = 65,630,110.08 : x
  2. Step 2: Convert to fraction form
    143,353,355.52/215,101,802.64 = 65,630,110.08/x
  3. Step 3: Cross multiply
    143,353,355.52x = 215,101,802.64 × 65,630,110.08
  4. Step 4: Simplify right side
    143,353,355.52x = 14,117,154,985,669,634
  5. Step 5: Solve for x
    x = 14,117,154,985,669,634/143,353,355.52
  6. Step 6: Final answer
    x = 98,478,022.61

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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.