Home / 130,599,641.47-180,222,101.74-71,061,182.63

Finding the Fourth Proportional to 130,599,641.47, 180,222,101.74 and 71,061,182.63

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Solution

The fourth proportional to 130,599,641.47, 180,222,101.74 and 71,061,182.63 is: 98,061,491.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,599,641.47 : 180,222,101.74 = 71,061,182.63 : x
  2. Step 2: Convert to fraction form
    130,599,641.47/180,222,101.74 = 71,061,182.63/x
  3. Step 3: Cross multiply
    130,599,641.47x = 180,222,101.74 × 71,061,182.63
  4. Step 4: Simplify right side
    130,599,641.47x = 12,806,795,686,185,804
  5. Step 5: Solve for x
    x = 12,806,795,686,185,804/130,599,641.47
  6. Step 6: Final answer
    x = 98,061,491.92

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1.5x scale

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.