Home / 156,635,119.16-216,143,810.20-90,559,875.54

Finding the Fourth Proportional to 156,635,119.16, 216,143,810.20 and 90,559,875.54

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Solution

The fourth proportional to 156,635,119.16, 216,143,810.20 and 90,559,875.54 is: 124,965,312.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,635,119.16 : 216,143,810.20 = 90,559,875.54 : x
  2. Step 2: Convert to fraction form
    156,635,119.16/216,143,810.20 = 90,559,875.54/x
  3. Step 3: Cross multiply
    156,635,119.16x = 216,143,810.20 × 90,559,875.54
  4. Step 4: Simplify right side
    156,635,119.16x = 19,573,956,550,453,384
  5. Step 5: Solve for x
    x = 19,573,956,550,453,384/156,635,119.16
  6. Step 6: Final answer
    x = 124,965,312.09

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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.