Home / 30,664,656,085.80-45,996,984,128.70-25,430,174,812.20

Finding the Fourth Proportional to 30,664,656,085.80, 45,996,984,128.70 and 25,430,174,812.20

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Solution

The fourth proportional to 30,664,656,085.80, 45,996,984,128.70 and 25,430,174,812.20 is: 38,145,262,218.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,664,656,085.80 : 45,996,984,128.70 = 25,430,174,812.20 : x
  2. Step 2: Convert to fraction form
    30,664,656,085.80/45,996,984,128.70 = 25,430,174,812.20/x
  3. Step 3: Cross multiply
    30,664,656,085.80x = 45,996,984,128.70 × 25,430,174,812.20
  4. Step 4: Simplify right side
    30,664,656,085.80x = 1,169,711,347,226,829,914,112
  5. Step 5: Solve for x
    x = 1,169,711,347,226,829,914,112/30,664,656,085.80
  6. Step 6: Final answer
    x = 38,145,262,218.30

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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.