Home / 86,484,818.87-119,349,038.90-47,326,585.30

Finding the Fourth Proportional to 86,484,818.87, 119,349,038.90 and 47,326,585.30

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Solution

The fourth proportional to 86,484,818.87, 119,349,038.90 and 47,326,585.30 is: 65,310,681.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,484,818.87 : 119,349,038.90 = 47,326,585.30 : x
  2. Step 2: Convert to fraction form
    86,484,818.87/119,349,038.90 = 47,326,585.30/x
  3. Step 3: Cross multiply
    86,484,818.87x = 119,349,038.90 × 47,326,585.30
  4. Step 4: Simplify right side
    86,484,818.87x = 5,648,382,469,973,868
  5. Step 5: Solve for x
    x = 5,648,382,469,973,868/86,484,818.87
  6. Step 6: Final answer
    x = 65,310,681.62

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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.