Home / 93,312,077.80-139,968,116.70-87,638,708.20

Finding the Fourth Proportional to 93,312,077.80, 139,968,116.70 and 87,638,708.20

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Solution

The fourth proportional to 93,312,077.80, 139,968,116.70 and 87,638,708.20 is: 131,458,062.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,077.80 : 139,968,116.70 = 87,638,708.20 : x
  2. Step 2: Convert to fraction form
    93,312,077.80/139,968,116.70 = 87,638,708.20/x
  3. Step 3: Cross multiply
    93,312,077.80x = 139,968,116.70 × 87,638,708.20
  4. Step 4: Simplify right side
    93,312,077.80x = 12,266,624,936,774,846
  5. Step 5: Solve for x
    x = 12,266,624,936,774,846/93,312,077.80
  6. Step 6: Final answer
    x = 131,458,062.30

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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.