Home / 93,014,643.60-139,521,965.40-72,837,133.20

Finding the Fourth Proportional to 93,014,643.60, 139,521,965.40 and 72,837,133.20

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Solution

The fourth proportional to 93,014,643.60, 139,521,965.40 and 72,837,133.20 is: 109,255,699.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,014,643.60 : 139,521,965.40 = 72,837,133.20 : x
  2. Step 2: Convert to fraction form
    93,014,643.60/139,521,965.40 = 72,837,133.20/x
  3. Step 3: Cross multiply
    93,014,643.60x = 139,521,965.40 × 72,837,133.20
  4. Step 4: Simplify right side
    93,014,643.60x = 10,162,379,978,165,592
  5. Step 5: Solve for x
    x = 10,162,379,978,165,592/93,014,643.60
  6. Step 6: Final answer
    x = 109,255,699.80

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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.