Home / 154,152,712.98-231,254,988.39-76,433,452.74

Finding the Fourth Proportional to 154,152,712.98, 231,254,988.39 and 76,433,452.74

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Solution

The fourth proportional to 154,152,712.98, 231,254,988.39 and 76,433,452.74 is: 114,663,030.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,152,712.98 : 231,254,988.39 = 76,433,452.74 : x
  2. Step 2: Convert to fraction form
    154,152,712.98/231,254,988.39 = 76,433,452.74/x
  3. Step 3: Cross multiply
    154,152,712.98x = 231,254,988.39 × 76,433,452.74
  4. Step 4: Simplify right side
    154,152,712.98x = 17,675,617,225,996,312
  5. Step 5: Solve for x
    x = 17,675,617,225,996,312/154,152,712.98
  6. Step 6: Final answer
    x = 114,663,030.47

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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.