Home / 93,312,081.20-139,968,121.80-70,320,004.40

Finding the Fourth Proportional to 93,312,081.20, 139,968,121.80 and 70,320,004.40

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Solution

The fourth proportional to 93,312,081.20, 139,968,121.80 and 70,320,004.40 is: 105,480,006.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,081.20 : 139,968,121.80 = 70,320,004.40 : x
  2. Step 2: Convert to fraction form
    93,312,081.20/139,968,121.80 = 70,320,004.40/x
  3. Step 3: Cross multiply
    93,312,081.20x = 139,968,121.80 × 70,320,004.40
  4. Step 4: Simplify right side
    93,312,081.20x = 9,842,558,940,835,738
  5. Step 5: Solve for x
    x = 9,842,558,940,835,738/93,312,081.20
  6. Step 6: Final answer
    x = 105,480,006.60

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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.