Home / 243,440,061.20-335,983,341.08-154,140,305.48

Finding the Fourth Proportional to 243,440,061.20, 335,983,341.08 and 154,140,305.48

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Solution

The fourth proportional to 243,440,061.20, 335,983,341.08 and 154,140,305.48 is: 212,736,451.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,440,061.20 : 335,983,341.08 = 154,140,305.48 : x
  2. Step 2: Convert to fraction form
    243,440,061.20/335,983,341.08 = 154,140,305.48/x
  3. Step 3: Cross multiply
    243,440,061.20x = 335,983,341.08 × 154,140,305.48
  4. Step 4: Simplify right side
    243,440,061.20x = 51,788,574,830,262,224
  5. Step 5: Solve for x
    x = 51,788,574,830,262,224/243,440,061.20
  6. Step 6: Final answer
    x = 212,736,451.74

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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.