Home / 86,851,345.23-130,281,207.59-28,557,732.65

Finding the Fourth Proportional to 86,851,345.23, 130,281,207.59 and 28,557,732.65

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Solution

The fourth proportional to 86,851,345.23, 130,281,207.59 and 28,557,732.65 is: 42,837,976.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,851,345.23 : 130,281,207.59 = 28,557,732.65 : x
  2. Step 2: Convert to fraction form
    86,851,345.23/130,281,207.59 = 28,557,732.65/x
  3. Step 3: Cross multiply
    86,851,345.23x = 130,281,207.59 × 28,557,732.65
  4. Step 4: Simplify right side
    86,851,345.23x = 3,720,535,894,880,176
  5. Step 5: Solve for x
    x = 3,720,535,894,880,176/86,851,345.23
  6. Step 6: Final answer
    x = 42,837,976.60

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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.