Home / 374,529,752.70-561,655,276.65-128,817,419.10

Finding the Fourth Proportional to 374,529,752.70, 561,655,276.65 and 128,817,419.10

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Solution

The fourth proportional to 374,529,752.70, 561,655,276.65 and 128,817,419.10 is: 193,178,199.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,529,752.70 : 561,655,276.65 = 128,817,419.10 : x
  2. Step 2: Convert to fraction form
    374,529,752.70/561,655,276.65 = 128,817,419.10/x
  3. Step 3: Cross multiply
    374,529,752.70x = 561,655,276.65 × 128,817,419.10
  4. Step 4: Simplify right side
    374,529,752.70x = 72,350,983,161,949,488
  5. Step 5: Solve for x
    x = 72,350,983,161,949,488/374,529,752.70
  6. Step 6: Final answer
    x = 193,178,199.17

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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.