Home / 131,619,191.04-181,632,257.70-72,880,595.16

Finding the Fourth Proportional to 131,619,191.04, 181,632,257.70 and 72,880,595.16

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Solution

The fourth proportional to 131,619,191.04, 181,632,257.70 and 72,880,595.16 is: 100,573,988.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,619,191.04 : 181,632,257.70 = 72,880,595.16 : x
  2. Step 2: Convert to fraction form
    131,619,191.04/181,632,257.70 = 72,880,595.16/x
  3. Step 3: Cross multiply
    131,619,191.04x = 181,632,257.70 × 72,880,595.16
  4. Step 4: Simplify right side
    131,619,191.04x = 13,237,467,041,430,492
  5. Step 5: Solve for x
    x = 13,237,467,041,430,492/131,619,191.04
  6. Step 6: Final answer
    x = 100,573,988.77

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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.