Home / 131,148,637.80-196,848,927.90-66,525,412.20

Finding the Fourth Proportional to 131,148,637.80, 196,848,927.90 and 66,525,412.20

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Solution

The fourth proportional to 131,148,637.80, 196,848,927.90 and 66,525,412.20 is: 99,852,017.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,148,637.80 : 196,848,927.90 = 66,525,412.20 : x
  2. Step 2: Convert to fraction form
    131,148,637.80/196,848,927.90 = 66,525,412.20/x
  3. Step 3: Cross multiply
    131,148,637.80x = 196,848,927.90 × 66,525,412.20
  4. Step 4: Simplify right side
    131,148,637.80x = 13,095,456,069,675,582
  5. Step 5: Solve for x
    x = 13,095,456,069,675,582/131,148,637.80
  6. Step 6: Final answer
    x = 99,852,017.45

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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.