Home / 130,657,916.01-180,312,682.23-71,116,334.61

Finding the Fourth Proportional to 130,657,916.01, 180,312,682.23 and 71,116,334.61

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Solution

The fourth proportional to 130,657,916.01, 180,312,682.23 and 71,116,334.61 is: 98,143,131.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,657,916.01 : 180,312,682.23 = 71,116,334.61 : x
  2. Step 2: Convert to fraction form
    130,657,916.01/180,312,682.23 = 71,116,334.61/x
  3. Step 3: Cross multiply
    130,657,916.01x = 180,312,682.23 × 71,116,334.61
  4. Step 4: Simplify right side
    130,657,916.01x = 12,823,177,043,895,280
  5. Step 5: Solve for x
    x = 12,823,177,043,895,280/130,657,916.01
  6. Step 6: Final answer
    x = 98,143,131.59

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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.