Home / 119,716,376.76-165,208,648.86-64,712,233.08

Finding the Fourth Proportional to 119,716,376.76, 165,208,648.86 and 64,712,233.08

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Solution

The fourth proportional to 119,716,376.76, 165,208,648.86 and 64,712,233.08 is: 89,302,908.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,716,376.76 : 165,208,648.86 = 64,712,233.08 : x
  2. Step 2: Convert to fraction form
    119,716,376.76/165,208,648.86 = 64,712,233.08/x
  3. Step 3: Cross multiply
    119,716,376.76x = 165,208,648.86 × 64,712,233.08
  4. Step 4: Simplify right side
    119,716,376.76x = 10,691,020,591,860,196
  5. Step 5: Solve for x
    x = 10,691,020,591,860,196/119,716,376.76
  6. Step 6: Final answer
    x = 89,302,908.10

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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.