Home / 154,083,596.17-212,648,814.86-84,482,429.16

Finding the Fourth Proportional to 154,083,596.17, 212,648,814.86 and 84,482,429.16

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Solution

The fourth proportional to 154,083,596.17, 212,648,814.86 and 84,482,429.16 is: 116,593,127.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,083,596.17 : 212,648,814.86 = 84,482,429.16 : x
  2. Step 2: Convert to fraction form
    154,083,596.17/212,648,814.86 = 84,482,429.16/x
  3. Step 3: Cross multiply
    154,083,596.17x = 212,648,814.86 × 84,482,429.16
  4. Step 4: Simplify right side
    154,083,596.17x = 17,965,088,436,700,528
  5. Step 5: Solve for x
    x = 17,965,088,436,700,528/154,083,596.17
  6. Step 6: Final answer
    x = 116,593,127.90

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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.