Home / 88,918,455.38-122,720,303.65-51,234,401.94

Finding the Fourth Proportional to 88,918,455.38, 122,720,303.65 and 51,234,401.94

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Solution

The fourth proportional to 88,918,455.38, 122,720,303.65 and 51,234,401.94 is: 70,710,870.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,918,455.38 : 122,720,303.65 = 51,234,401.94 : x
  2. Step 2: Convert to fraction form
    88,918,455.38/122,720,303.65 = 51,234,401.94/x
  3. Step 3: Cross multiply
    88,918,455.38x = 122,720,303.65 × 51,234,401.94
  4. Step 4: Simplify right side
    88,918,455.38x = 6,287,501,363,402,949
  5. Step 5: Solve for x
    x = 6,287,501,363,402,949/88,918,455.38
  6. Step 6: Final answer
    x = 70,710,870.27

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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.