Home / 134,129,214.17-185,071,180.37-78,363,864.51

Finding the Fourth Proportional to 134,129,214.17, 185,071,180.37 and 78,363,864.51

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Solution

The fourth proportional to 134,129,214.17, 185,071,180.37 and 78,363,864.51 is: 108,126,279.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,129,214.17 : 185,071,180.37 = 78,363,864.51 : x
  2. Step 2: Convert to fraction form
    134,129,214.17/185,071,180.37 = 78,363,864.51/x
  3. Step 3: Cross multiply
    134,129,214.17x = 185,071,180.37 × 78,363,864.51
  4. Step 4: Simplify right side
    134,129,214.17x = 14,502,892,903,220,454
  5. Step 5: Solve for x
    x = 14,502,892,903,220,454/134,129,214.17
  6. Step 6: Final answer
    x = 108,126,279.52

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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.