Home / 195,249,461.86-269,448,372.66-107,142,688.72

Finding the Fourth Proportional to 195,249,461.86, 269,448,372.66 and 107,142,688.72

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Solution

The fourth proportional to 195,249,461.86, 269,448,372.66 and 107,142,688.72 is: 147,859,168.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,249,461.86 : 269,448,372.66 = 107,142,688.72 : x
  2. Step 2: Convert to fraction form
    195,249,461.86/269,448,372.66 = 107,142,688.72/x
  3. Step 3: Cross multiply
    195,249,461.86x = 269,448,372.66 × 107,142,688.72
  4. Step 4: Simplify right side
    195,249,461.86x = 28,869,423,118,020,940
  5. Step 5: Solve for x
    x = 28,869,423,118,020,940/195,249,461.86
  6. Step 6: Final answer
    x = 147,859,168.69

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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.