Home / 293,547,159.56-440,320,817.10-86,285,578.76

Finding the Fourth Proportional to 293,547,159.56, 440,320,817.10 and 86,285,578.76

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Solution

The fourth proportional to 293,547,159.56, 440,320,817.10 and 86,285,578.76 is: 129,428,391.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,547,159.56 : 440,320,817.10 = 86,285,578.76 : x
  2. Step 2: Convert to fraction form
    293,547,159.56/440,320,817.10 = 86,285,578.76/x
  3. Step 3: Cross multiply
    293,547,159.56x = 440,320,817.10 × 86,285,578.76
  4. Step 4: Simplify right side
    293,547,159.56x = 37,993,336,543,549,608
  5. Step 5: Solve for x
    x = 37,993,336,543,549,608/293,547,159.56
  6. Step 6: Final answer
    x = 129,428,391.00

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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.