Home / 119,356,872,348.72-164,786,832,332.98-75,977,642,332.74

Finding the Fourth Proportional to 119,356,872,348.72, 164,786,832,332.98 and 75,977,642,332.74

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Solution

The fourth proportional to 119,356,872,348.72, 164,786,832,332.98 and 75,977,642,332.74 is: 104,896,473,590.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,356,872,348.72 : 164,786,832,332.98 = 75,977,642,332.74 : x
  2. Step 2: Convert to fraction form
    119,356,872,348.72/164,786,832,332.98 = 75,977,642,332.74/x
  3. Step 3: Cross multiply
    119,356,872,348.72x = 164,786,832,332.98 × 75,977,642,332.74
  4. Step 4: Simplify right side
    119,356,872,348.72x = 12,520,115,008,140,350,586,880
  5. Step 5: Solve for x
    x = 12,520,115,008,140,350,586,880/119,356,872,348.72
  6. Step 6: Final answer
    x = 104,896,473,590.23

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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.