Home / 130,722,689.36-195,900,513.95-103,308,466.16

Finding the Fourth Proportional to 130,722,689.36, 195,900,513.95 and 103,308,466.16

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Solution

The fourth proportional to 130,722,689.36, 195,900,513.95 and 103,308,466.16 is: 154,817,665.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,722,689.36 : 195,900,513.95 = 103,308,466.16 : x
  2. Step 2: Convert to fraction form
    130,722,689.36/195,900,513.95 = 103,308,466.16/x
  3. Step 3: Cross multiply
    130,722,689.36x = 195,900,513.95 × 103,308,466.16
  4. Step 4: Simplify right side
    130,722,689.36x = 20,238,181,614,634,136
  5. Step 5: Solve for x
    x = 20,238,181,614,634,136/130,722,689.36
  6. Step 6: Final answer
    x = 154,817,665.66

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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.