Home / 106,163,031.16-146,429,516.91-70,863,038.65

Finding the Fourth Proportional to 106,163,031.16, 146,429,516.91 and 70,863,038.65

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Solution

The fourth proportional to 106,163,031.16, 146,429,516.91 and 70,863,038.65 is: 97,740,620.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,163,031.16 : 146,429,516.91 = 70,863,038.65 : x
  2. Step 2: Convert to fraction form
    106,163,031.16/146,429,516.91 = 70,863,038.65/x
  3. Step 3: Cross multiply
    106,163,031.16x = 146,429,516.91 × 70,863,038.65
  4. Step 4: Simplify right side
    106,163,031.16x = 10,376,440,516,294,160
  5. Step 5: Solve for x
    x = 10,376,440,516,294,160/106,163,031.16
  6. Step 6: Final answer
    x = 97,740,620.28

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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.