Home / 122,328,007.80-183,492,011.70-67,908,449.40

Finding the Fourth Proportional to 122,328,007.80, 183,492,011.70 and 67,908,449.40

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Solution

The fourth proportional to 122,328,007.80, 183,492,011.70 and 67,908,449.40 is: 101,862,674.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,328,007.80 : 183,492,011.70 = 67,908,449.40 : x
  2. Step 2: Convert to fraction form
    122,328,007.80/183,492,011.70 = 67,908,449.40/x
  3. Step 3: Cross multiply
    122,328,007.80x = 183,492,011.70 × 67,908,449.40
  4. Step 4: Simplify right side
    122,328,007.80x = 12,460,657,991,833,658
  5. Step 5: Solve for x
    x = 12,460,657,991,833,658/122,328,007.80
  6. Step 6: Final answer
    x = 101,862,674.10

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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.