Home / 86,423,362.02-129,502,516.91-58,721,999.49

Finding the Fourth Proportional to 86,423,362.02, 129,502,516.91 and 58,721,999.49

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Solution

The fourth proportional to 86,423,362.02, 129,502,516.91 and 58,721,999.49 is: 87,992,951.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,423,362.02 : 129,502,516.91 = 58,721,999.49 : x
  2. Step 2: Convert to fraction form
    86,423,362.02/129,502,516.91 = 58,721,999.49/x
  3. Step 3: Cross multiply
    86,423,362.02x = 129,502,516.91 × 58,721,999.49
  4. Step 4: Simplify right side
    86,423,362.02x = 7,604,646,731,649,127
  5. Step 5: Solve for x
    x = 7,604,646,731,649,127/86,423,362.02
  6. Step 6: Final answer
    x = 87,992,951.84

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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.