Home / 56,106,053.28-77,425,592.40-31,326,621.12

Finding the Fourth Proportional to 56,106,053.28, 77,425,592.40 and 31,326,621.12

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Solution

The fourth proportional to 56,106,053.28, 77,425,592.40 and 31,326,621.12 is: 43,230,312.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,106,053.28 : 77,425,592.40 = 31,326,621.12 : x
  2. Step 2: Convert to fraction form
    56,106,053.28/77,425,592.40 = 31,326,621.12/x
  3. Step 3: Cross multiply
    56,106,053.28x = 77,425,592.40 × 31,326,621.12
  4. Step 4: Simplify right side
    56,106,053.28x = 2,425,482,198,106,352
  5. Step 5: Solve for x
    x = 2,425,482,198,106,352/56,106,053.28
  6. Step 6: Final answer
    x = 43,230,312.17

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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.