Home / 54,919,423-75,788,803.92-30,477,070.36

Finding the Fourth Proportional to 54,919,423, 75,788,803.92 and 30,477,070.36

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Solution

The fourth proportional to 54,919,423, 75,788,803.92 and 30,477,070.36 is: 42,058,357.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,919,423 : 75,788,803.92 = 30,477,070.36 : x
  2. Step 2: Convert to fraction form
    54,919,423/75,788,803.92 = 30,477,070.36/x
  3. Step 3: Cross multiply
    54,919,423x = 75,788,803.92 × 30,477,070.36
  4. Step 4: Simplify right side
    54,919,423x = 2,309,820,709,570,084
  5. Step 5: Solve for x
    x = 2,309,820,709,570,084/54,919,423
  6. Step 6: Final answer
    x = 42,058,357.20

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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.