Home / 73,459,678.38-101,385,441.63-42,540,047.34

Finding the Fourth Proportional to 73,459,678.38, 101,385,441.63 and 42,540,047.34

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Solution

The fourth proportional to 73,459,678.38, 101,385,441.63 and 42,540,047.34 is: 58,711,684.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,459,678.38 : 101,385,441.63 = 42,540,047.34 : x
  2. Step 2: Convert to fraction form
    73,459,678.38/101,385,441.63 = 42,540,047.34/x
  3. Step 3: Cross multiply
    73,459,678.38x = 101,385,441.63 × 42,540,047.34
  4. Step 4: Simplify right side
    73,459,678.38x = 4,312,941,486,527,007
  5. Step 5: Solve for x
    x = 4,312,941,486,527,007/73,459,678.38
  6. Step 6: Final answer
    x = 58,711,684.85

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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.