Home / 91,091,389.48-125,575,373.01-64,940,506.47

Finding the Fourth Proportional to 91,091,389.48, 125,575,373.01 and 64,940,506.47

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Solution

The fourth proportional to 91,091,389.48, 125,575,373.01 and 64,940,506.47 is: 89,524,689.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,091,389.48 : 125,575,373.01 = 64,940,506.47 : x
  2. Step 2: Convert to fraction form
    91,091,389.48/125,575,373.01 = 64,940,506.47/x
  3. Step 3: Cross multiply
    91,091,389.48x = 125,575,373.01 × 64,940,506.47
  4. Step 4: Simplify right side
    91,091,389.48x = 8,154,928,323,428,569
  5. Step 5: Solve for x
    x = 8,154,928,323,428,569/91,091,389.48
  6. Step 6: Final answer
    x = 89,524,689.11

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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.