Home / 265,034,504.95-397,594,857.13-78,307,395.19

Finding the Fourth Proportional to 265,034,504.95, 397,594,857.13 and 78,307,395.19

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Solution

The fourth proportional to 265,034,504.95, 397,594,857.13 and 78,307,395.19 is: 117,473,827.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,034,504.95 : 397,594,857.13 = 78,307,395.19 : x
  2. Step 2: Convert to fraction form
    265,034,504.95/397,594,857.13 = 78,307,395.19/x
  3. Step 3: Cross multiply
    265,034,504.95x = 397,594,857.13 × 78,307,395.19
  4. Step 4: Simplify right side
    265,034,504.95x = 31,134,617,601,600,744
  5. Step 5: Solve for x
    x = 31,134,617,601,600,744/265,034,504.95
  6. Step 6: Final answer
    x = 117,473,827.07

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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.