Home / 77,045,001.04-106,319,797.86-42,236,501.68

Finding the Fourth Proportional to 77,045,001.04, 106,319,797.86 and 42,236,501.68

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Solution

The fourth proportional to 77,045,001.04, 106,319,797.86 and 42,236,501.68 is: 58,285,109.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,045,001.04 : 106,319,797.86 = 42,236,501.68 : x
  2. Step 2: Convert to fraction form
    77,045,001.04/106,319,797.86 = 42,236,501.68/x
  3. Step 3: Cross multiply
    77,045,001.04x = 106,319,797.86 × 42,236,501.68
  4. Step 4: Simplify right side
    77,045,001.04x = 4,490,576,320,931,150.50
  5. Step 5: Solve for x
    x = 4,490,576,320,931,150.50/77,045,001.04
  6. Step 6: Final answer
    x = 58,285,109.49

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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.