Home / 81,869,401.36-112,989,681.02-46,595,783.19

Finding the Fourth Proportional to 81,869,401.36, 112,989,681.02 and 46,595,783.19

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Solution

The fourth proportional to 81,869,401.36, 112,989,681.02 and 46,595,783.19 is: 64,307,819.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,869,401.36 : 112,989,681.02 = 46,595,783.19 : x
  2. Step 2: Convert to fraction form
    81,869,401.36/112,989,681.02 = 46,595,783.19/x
  3. Step 3: Cross multiply
    81,869,401.36x = 112,989,681.02 × 46,595,783.19
  4. Step 4: Simplify right side
    81,869,401.36x = 5,264,842,679,631,667
  5. Step 5: Solve for x
    x = 5,264,842,679,631,667/81,869,401.36
  6. Step 6: Final answer
    x = 64,307,819.43

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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.