Home / 453,357,981.60-680,036,972.40-166,106,320.80

Finding the Fourth Proportional to 453,357,981.60, 680,036,972.40 and 166,106,320.80

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Solution

The fourth proportional to 453,357,981.60, 680,036,972.40 and 166,106,320.80 is: 249,159,481.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,357,981.60 : 680,036,972.40 = 166,106,320.80 : x
  2. Step 2: Convert to fraction form
    453,357,981.60/680,036,972.40 = 166,106,320.80/x
  3. Step 3: Cross multiply
    453,357,981.60x = 680,036,972.40 × 166,106,320.80
  4. Step 4: Simplify right side
    453,357,981.60x = 112,958,439,493,335,152
  5. Step 5: Solve for x
    x = 112,958,439,493,335,152/453,357,981.60
  6. Step 6: Final answer
    x = 249,159,481.20

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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.