Home / 86,908,657.15-130,362,985.73-45,912,029.95

Finding the Fourth Proportional to 86,908,657.15, 130,362,985.73 and 45,912,029.95

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Solution

The fourth proportional to 86,908,657.15, 130,362,985.73 and 45,912,029.95 is: 68,868,044.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,908,657.15 : 130,362,985.73 = 45,912,029.95 : x
  2. Step 2: Convert to fraction form
    86,908,657.15/130,362,985.73 = 45,912,029.95/x
  3. Step 3: Cross multiply
    86,908,657.15x = 130,362,985.73 × 45,912,029.95
  4. Step 4: Simplify right side
    86,908,657.15x = 5,985,229,304,977,623
  5. Step 5: Solve for x
    x = 5,985,229,304,977,623/86,908,657.15
  6. Step 6: Final answer
    x = 68,868,044.93

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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.