Home / 131,225,707.20-181,087,967.40-72,487,108.14

Finding the Fourth Proportional to 131,225,707.20, 181,087,967.40 and 72,487,108.14

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Solution

The fourth proportional to 131,225,707.20, 181,087,967.40 and 72,487,108.14 is: 100,030,271.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,225,707.20 : 181,087,967.40 = 72,487,108.14 : x
  2. Step 2: Convert to fraction form
    131,225,707.20/181,087,967.40 = 72,487,108.14/x
  3. Step 3: Cross multiply
    131,225,707.20x = 181,087,967.40 × 72,487,108.14
  4. Step 4: Simplify right side
    131,225,707.20x = 13,126,543,075,776,596
  5. Step 5: Solve for x
    x = 13,126,543,075,776,596/131,225,707.20
  6. Step 6: Final answer
    x = 100,030,271.17

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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.