Home / 78,028,938.70-107,679,926.18-46,666,982.84

Finding the Fourth Proportional to 78,028,938.70, 107,679,926.18 and 46,666,982.84

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Solution

The fourth proportional to 78,028,938.70, 107,679,926.18 and 46,666,982.84 is: 64,400,430.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,028,938.70 : 107,679,926.18 = 46,666,982.84 : x
  2. Step 2: Convert to fraction form
    78,028,938.70/107,679,926.18 = 46,666,982.84/x
  3. Step 3: Cross multiply
    78,028,938.70x = 107,679,926.18 × 46,666,982.84
  4. Step 4: Simplify right side
    78,028,938.70x = 5,025,097,267,254,527
  5. Step 5: Solve for x
    x = 5,025,097,267,254,527/78,028,938.70
  6. Step 6: Final answer
    x = 64,400,430.80

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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.