Home / 320,415,586.84-480,695,862.98-102,078,366.40

Finding the Fourth Proportional to 320,415,586.84, 480,695,862.98 and 102,078,366.40

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Solution

The fourth proportional to 320,415,586.84, 480,695,862.98 and 102,078,366.40 is: 153,140,641.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,415,586.84 : 480,695,862.98 = 102,078,366.40 : x
  2. Step 2: Convert to fraction form
    320,415,586.84/480,695,862.98 = 102,078,366.40/x
  3. Step 3: Cross multiply
    320,415,586.84x = 480,695,862.98 × 102,078,366.40
  4. Step 4: Simplify right side
    320,415,586.84x = 49,068,648,425,812,704
  5. Step 5: Solve for x
    x = 49,068,648,425,812,704/320,415,586.84
  6. Step 6: Final answer
    x = 153,140,641.22

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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.