Home / 78,353,130.40-117,529,695.60-46,502,634.40

Finding the Fourth Proportional to 78,353,130.40, 117,529,695.60 and 46,502,634.40

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Solution

The fourth proportional to 78,353,130.40, 117,529,695.60 and 46,502,634.40 is: 69,753,951.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,353,130.40 : 117,529,695.60 = 46,502,634.40 : x
  2. Step 2: Convert to fraction form
    78,353,130.40/117,529,695.60 = 46,502,634.40/x
  3. Step 3: Cross multiply
    78,353,130.40x = 117,529,695.60 × 46,502,634.40
  4. Step 4: Simplify right side
    78,353,130.40x = 5,465,440,465,630,088
  5. Step 5: Solve for x
    x = 5,465,440,465,630,088/78,353,130.40
  6. Step 6: Final answer
    x = 69,753,951.60

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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.