Home / 70,124,065.16-105,186,098.64-19,006,083.92

Finding the Fourth Proportional to 70,124,065.16, 105,186,098.64 and 19,006,083.92

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Solution

The fourth proportional to 70,124,065.16, 105,186,098.64 and 19,006,083.92 is: 28,509,126.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,124,065.16 : 105,186,098.64 = 19,006,083.92 : x
  2. Step 2: Convert to fraction form
    70,124,065.16/105,186,098.64 = 19,006,083.92/x
  3. Step 3: Cross multiply
    70,124,065.16x = 105,186,098.64 × 19,006,083.92
  4. Step 4: Simplify right side
    70,124,065.16x = 1,999,175,817,969,238
  5. Step 5: Solve for x
    x = 1,999,175,817,969,238/70,124,065.16
  6. Step 6: Final answer
    x = 28,509,126.12

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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.