Home / 242,712,246.80-364,068,370.20-81,154,182.80

Finding the Fourth Proportional to 242,712,246.80, 364,068,370.20 and 81,154,182.80

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Solution

The fourth proportional to 242,712,246.80, 364,068,370.20 and 81,154,182.80 is: 121,731,274.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,712,246.80 : 364,068,370.20 = 81,154,182.80 : x
  2. Step 2: Convert to fraction form
    242,712,246.80/364,068,370.20 = 81,154,182.80/x
  3. Step 3: Cross multiply
    242,712,246.80x = 364,068,370.20 × 81,154,182.80
  4. Step 4: Simplify right side
    242,712,246.80x = 29,545,671,066,908,872
  5. Step 5: Solve for x
    x = 29,545,671,066,908,872/242,712,246.80
  6. Step 6: Final answer
    x = 121,731,274.20

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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.