Home / 104,980,765.60-157,471,148.40-66,528,056.80

Finding the Fourth Proportional to 104,980,765.60, 157,471,148.40 and 66,528,056.80

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Solution

The fourth proportional to 104,980,765.60, 157,471,148.40 and 66,528,056.80 is: 99,792,085.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,980,765.60 : 157,471,148.40 = 66,528,056.80 : x
  2. Step 2: Convert to fraction form
    104,980,765.60/157,471,148.40 = 66,528,056.80/x
  3. Step 3: Cross multiply
    104,980,765.60x = 157,471,148.40 × 66,528,056.80
  4. Step 4: Simplify right side
    104,980,765.60x = 10,476,249,505,116,430
  5. Step 5: Solve for x
    x = 10,476,249,505,116,430/104,980,765.60
  6. Step 6: Final answer
    x = 99,792,085.20

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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.