Home / 54,403,982.60-81,605,973.90-42,074,551.40

Finding the Fourth Proportional to 54,403,982.60, 81,605,973.90 and 42,074,551.40

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Solution

The fourth proportional to 54,403,982.60, 81,605,973.90 and 42,074,551.40 is: 63,111,827.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,403,982.60 : 81,605,973.90 = 42,074,551.40 : x
  2. Step 2: Convert to fraction form
    54,403,982.60/81,605,973.90 = 42,074,551.40/x
  3. Step 3: Cross multiply
    54,403,982.60x = 81,605,973.90 × 42,074,551.40
  4. Step 4: Simplify right side
    54,403,982.60x = 3,433,534,743,402,608.50
  5. Step 5: Solve for x
    x = 3,433,534,743,402,608.50/54,403,982.60
  6. Step 6: Final answer
    x = 63,111,827.10

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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.