Home / 93,312,092.70-139,968,139.05-70,320,015.90

Finding the Fourth Proportional to 93,312,092.70, 139,968,139.05 and 70,320,015.90

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Solution

The fourth proportional to 93,312,092.70, 139,968,139.05 and 70,320,015.90 is: 105,480,023.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,092.70 : 139,968,139.05 = 70,320,015.90 : x
  2. Step 2: Convert to fraction form
    93,312,092.70/139,968,139.05 = 70,320,015.90/x
  3. Step 3: Cross multiply
    93,312,092.70x = 139,968,139.05 × 70,320,015.90
  4. Step 4: Simplify right side
    93,312,092.70x = 9,842,561,763,489,412
  5. Step 5: Solve for x
    x = 9,842,561,763,489,412/93,312,092.70
  6. Step 6: Final answer
    x = 105,480,023.85

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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.