Home / 260,254,705.64-390,382,970.93-66,166,141.73

Finding the Fourth Proportional to 260,254,705.64, 390,382,970.93 and 66,166,141.73

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Solution

The fourth proportional to 260,254,705.64, 390,382,970.93 and 66,166,141.73 is: 99,249,444.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,254,705.64 : 390,382,970.93 = 66,166,141.73 : x
  2. Step 2: Convert to fraction form
    260,254,705.64/390,382,970.93 = 66,166,141.73/x
  3. Step 3: Cross multiply
    260,254,705.64x = 390,382,970.93 × 66,166,141.73
  4. Step 4: Simplify right side
    260,254,705.64x = 25,830,134,981,250,104
  5. Step 5: Solve for x
    x = 25,830,134,981,250,104/260,254,705.64
  6. Step 6: Final answer
    x = 99,249,444.57

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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.