Home / 137,979,995.09-207,113,547.38-101,629,430.69

Finding the Fourth Proportional to 137,979,995.09, 207,113,547.38 and 101,629,430.69

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Solution

The fourth proportional to 137,979,995.09, 207,113,547.38 and 101,629,430.69 is: 152,549,881.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,979,995.09 : 207,113,547.38 = 101,629,430.69 : x
  2. Step 2: Convert to fraction form
    137,979,995.09/207,113,547.38 = 101,629,430.69/x
  3. Step 3: Cross multiply
    137,979,995.09x = 207,113,547.38 × 101,629,430.69
  4. Step 4: Simplify right side
    137,979,995.09x = 21,048,831,906,872,028
  5. Step 5: Solve for x
    x = 21,048,831,906,872,028/137,979,995.09
  6. Step 6: Final answer
    x = 152,549,881.55

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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.