Home / 93,301,766.96-128,782,045.65-54,156,155.04

Finding the Fourth Proportional to 93,301,766.96, 128,782,045.65 and 54,156,155.04

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Solution

The fourth proportional to 93,301,766.96, 128,782,045.65 and 54,156,155.04 is: 74,750,357.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,301,766.96 : 128,782,045.65 = 54,156,155.04 : x
  2. Step 2: Convert to fraction form
    93,301,766.96/128,782,045.65 = 54,156,155.04/x
  3. Step 3: Cross multiply
    93,301,766.96x = 128,782,045.65 × 54,156,155.04
  4. Step 4: Simplify right side
    93,301,766.96x = 6,974,340,430,589,758
  5. Step 5: Solve for x
    x = 6,974,340,430,589,758/93,301,766.96
  6. Step 6: Final answer
    x = 74,750,357.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.