Home / 421,996,507.86-632,937,298.18-111,078,087.96

Finding the Fourth Proportional to 421,996,507.86, 632,937,298.18 and 111,078,087.96

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Solution

The fourth proportional to 421,996,507.86, 632,937,298.18 and 111,078,087.96 is: 166,602,006.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,996,507.86 : 632,937,298.18 = 111,078,087.96 : x
  2. Step 2: Convert to fraction form
    421,996,507.86/632,937,298.18 = 111,078,087.96/x
  3. Step 3: Cross multiply
    421,996,507.86x = 632,937,298.18 × 111,078,087.96
  4. Step 4: Simplify right side
    421,996,507.86x = 70,305,464,880,402,776
  5. Step 5: Solve for x
    x = 70,305,464,880,402,776/421,996,507.86
  6. Step 6: Final answer
    x = 166,602,006.35

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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.