Home / 105,603,509.28-145,725,508.98-58,563,009.30

Finding the Fourth Proportional to 105,603,509.28, 145,725,508.98 and 58,563,009.30

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Solution

The fourth proportional to 105,603,509.28, 145,725,508.98 and 58,563,009.30 is: 80,812,885.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,603,509.28 : 145,725,508.98 = 58,563,009.30 : x
  2. Step 2: Convert to fraction form
    105,603,509.28/145,725,508.98 = 58,563,009.30/x
  3. Step 3: Cross multiply
    105,603,509.28x = 145,725,508.98 × 58,563,009.30
  4. Step 4: Simplify right side
    105,603,509.28x = 8,534,124,337,642,972
  5. Step 5: Solve for x
    x = 8,534,124,337,642,972/105,603,509.28
  6. Step 6: Final answer
    x = 80,812,885.82

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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.