Home / 159,772,467.40-239,658,701.10-91,748,019.40

Finding the Fourth Proportional to 159,772,467.40, 239,658,701.10 and 91,748,019.40

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Solution

The fourth proportional to 159,772,467.40, 239,658,701.10 and 91,748,019.40 is: 137,622,029.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,772,467.40 : 239,658,701.10 = 91,748,019.40 : x
  2. Step 2: Convert to fraction form
    159,772,467.40/239,658,701.10 = 91,748,019.40/x
  3. Step 3: Cross multiply
    159,772,467.40x = 239,658,701.10 × 91,748,019.40
  4. Step 4: Simplify right side
    159,772,467.40x = 21,988,211,157,901,604
  5. Step 5: Solve for x
    x = 21,988,211,157,901,604/159,772,467.40
  6. Step 6: Final answer
    x = 137,622,029.10

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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.