Home / 56,311,963.13-77,710,509.12-30,557,851.13

Finding the Fourth Proportional to 56,311,963.13, 77,710,509.12 and 30,557,851.13

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Solution

The fourth proportional to 56,311,963.13, 77,710,509.12 and 30,557,851.13 is: 42,169,834.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,311,963.13 : 77,710,509.12 = 30,557,851.13 : x
  2. Step 2: Convert to fraction form
    56,311,963.13/77,710,509.12 = 30,557,851.13/x
  3. Step 3: Cross multiply
    56,311,963.13x = 77,710,509.12 × 30,557,851.13
  4. Step 4: Simplify right side
    56,311,963.13x = 2,374,666,168,536,915
  5. Step 5: Solve for x
    x = 2,374,666,168,536,915/56,311,963.13
  6. Step 6: Final answer
    x = 42,169,834.56

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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.