Home / 86,972,541.60-130,458,812.40-58,307,095.20

Finding the Fourth Proportional to 86,972,541.60, 130,458,812.40 and 58,307,095.20

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Solution

The fourth proportional to 86,972,541.60, 130,458,812.40 and 58,307,095.20 is: 87,460,642.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,972,541.60 : 130,458,812.40 = 58,307,095.20 : x
  2. Step 2: Convert to fraction form
    86,972,541.60/130,458,812.40 = 58,307,095.20/x
  3. Step 3: Cross multiply
    86,972,541.60x = 130,458,812.40 × 58,307,095.20
  4. Step 4: Simplify right side
    86,972,541.60x = 7,606,674,394,285,741
  5. Step 5: Solve for x
    x = 7,606,674,394,285,741/86,972,541.60
  6. Step 6: Final answer
    x = 87,460,642.80

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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.