Home / 85,641,358.32-118,185,153.84-46,483,123.68

Finding the Fourth Proportional to 85,641,358.32, 118,185,153.84 and 46,483,123.68

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Solution

The fourth proportional to 85,641,358.32, 118,185,153.84 and 46,483,123.68 is: 64,146,753.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,641,358.32 : 118,185,153.84 = 46,483,123.68 : x
  2. Step 2: Convert to fraction form
    85,641,358.32/118,185,153.84 = 46,483,123.68/x
  3. Step 3: Cross multiply
    85,641,358.32x = 118,185,153.84 × 46,483,123.68
  4. Step 4: Simplify right side
    85,641,358.32x = 5,493,615,123,084,547
  5. Step 5: Solve for x
    x = 5,493,615,123,084,547/85,641,358.32
  6. Step 6: Final answer
    x = 64,146,753.75

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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.