Home / 56,464,037.20-84,696,055.80-42,115,130.20

Finding the Fourth Proportional to 56,464,037.20, 84,696,055.80 and 42,115,130.20

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Solution

The fourth proportional to 56,464,037.20, 84,696,055.80 and 42,115,130.20 is: 63,172,695.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,464,037.20 : 84,696,055.80 = 42,115,130.20 : x
  2. Step 2: Convert to fraction form
    56,464,037.20/84,696,055.80 = 42,115,130.20/x
  3. Step 3: Cross multiply
    56,464,037.20x = 84,696,055.80 × 42,115,130.20
  4. Step 4: Simplify right side
    56,464,037.20x = 3,566,985,417,443,465.50
  5. Step 5: Solve for x
    x = 3,566,985,417,443,465.50/56,464,037.20
  6. Step 6: Final answer
    x = 63,172,695.30

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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.