Home / 115,036,947.02-158,754,904.40-68,034,312.08

Finding the Fourth Proportional to 115,036,947.02, 158,754,904.40 and 68,034,312.08

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Solution

The fourth proportional to 115,036,947.02, 158,754,904.40 and 68,034,312.08 is: 93,889,667.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,036,947.02 : 158,754,904.40 = 68,034,312.08 : x
  2. Step 2: Convert to fraction form
    115,036,947.02/158,754,904.40 = 68,034,312.08/x
  3. Step 3: Cross multiply
    115,036,947.02x = 158,754,904.40 × 68,034,312.08
  4. Step 4: Simplify right side
    115,036,947.02x = 10,800,780,709,839,994
  5. Step 5: Solve for x
    x = 10,800,780,709,839,994/115,036,947.02
  6. Step 6: Final answer
    x = 93,889,667.53

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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.