Home / 108,872,166.30-163,119,292.65-70,513,935.90

Finding the Fourth Proportional to 108,872,166.30, 163,119,292.65 and 70,513,935.90

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Solution

The fourth proportional to 108,872,166.30, 163,119,292.65 and 70,513,935.90 is: 105,648,520.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,872,166.30 : 163,119,292.65 = 70,513,935.90 : x
  2. Step 2: Convert to fraction form
    108,872,166.30/163,119,292.65 = 70,513,935.90/x
  3. Step 3: Cross multiply
    108,872,166.30x = 163,119,292.65 × 70,513,935.90
  4. Step 4: Simplify right side
    108,872,166.30x = 11,502,183,345,975,442
  5. Step 5: Solve for x
    x = 11,502,183,345,975,442/108,872,166.30
  6. Step 6: Final answer
    x = 105,648,520.98

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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.