Home / 147,510,586.71-203,559,274.74-81,429,666.30

Finding the Fourth Proportional to 147,510,586.71, 203,559,274.74 and 81,429,666.30

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Solution

The fourth proportional to 147,510,586.71, 203,559,274.74 and 81,429,666.30 is: 112,369,994.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,510,586.71 : 203,559,274.74 = 81,429,666.30 : x
  2. Step 2: Convert to fraction form
    147,510,586.71/203,559,274.74 = 81,429,666.30/x
  3. Step 3: Cross multiply
    147,510,586.71x = 203,559,274.74 × 81,429,666.30
  4. Step 4: Simplify right side
    147,510,586.71x = 16,575,763,814,348,220
  5. Step 5: Solve for x
    x = 16,575,763,814,348,220/147,510,586.71
  6. Step 6: Final answer
    x = 112,369,994.48

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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.