Home / 113,547,689.20-170,319,074.64-31,664,382.58

Finding the Fourth Proportional to 113,547,689.20, 170,319,074.64 and 31,664,382.58

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Solution

The fourth proportional to 113,547,689.20, 170,319,074.64 and 31,664,382.58 is: 47,495,888.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,547,689.20 : 170,319,074.64 = 31,664,382.58 : x
  2. Step 2: Convert to fraction form
    113,547,689.20/170,319,074.64 = 31,664,382.58/x
  3. Step 3: Cross multiply
    113,547,689.20x = 170,319,074.64 × 31,664,382.58
  4. Step 4: Simplify right side
    113,547,689.20x = 5,393,048,340,072,535
  5. Step 5: Solve for x
    x = 5,393,048,340,072,535/113,547,689.20
  6. Step 6: Final answer
    x = 47,495,888.10

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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.