Home / 265,034,510.96-397,594,866.14-78,307,401.20

Finding the Fourth Proportional to 265,034,510.96, 397,594,866.14 and 78,307,401.20

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Solution

The fourth proportional to 265,034,510.96, 397,594,866.14 and 78,307,401.20 is: 117,473,836.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,034,510.96 : 397,594,866.14 = 78,307,401.20 : x
  2. Step 2: Convert to fraction form
    265,034,510.96/397,594,866.14 = 78,307,401.20/x
  3. Step 3: Cross multiply
    265,034,510.96x = 397,594,866.14 × 78,307,401.20
  4. Step 4: Simplify right side
    265,034,510.96x = 31,134,620,697,885,276
  5. Step 5: Solve for x
    x = 31,134,620,697,885,276/265,034,510.96
  6. Step 6: Final answer
    x = 117,473,836.09

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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.