Home / 93,312,008.20-139,968,012.30-69,125,537.80

Finding the Fourth Proportional to 93,312,008.20, 139,968,012.30 and 69,125,537.80

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Solution

The fourth proportional to 93,312,008.20, 139,968,012.30 and 69,125,537.80 is: 103,688,306.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,008.20 : 139,968,012.30 = 69,125,537.80 : x
  2. Step 2: Convert to fraction form
    93,312,008.20/139,968,012.30 = 69,125,537.80/x
  3. Step 3: Cross multiply
    93,312,008.20x = 139,968,012.30 × 69,125,537.80
  4. Step 4: Simplify right side
    93,312,008.20x = 9,675,364,125,034,516
  5. Step 5: Solve for x
    x = 9,675,364,125,034,516/93,312,008.20
  6. Step 6: Final answer
    x = 103,688,306.70

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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.