Home / 86,688,013.28-130,039,096.08-43,535,023.52

Finding the Fourth Proportional to 86,688,013.28, 130,039,096.08 and 43,535,023.52

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Solution

The fourth proportional to 86,688,013.28, 130,039,096.08 and 43,535,023.52 is: 65,306,088.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,688,013.28 : 130,039,096.08 = 43,535,023.52 : x
  2. Step 2: Convert to fraction form
    86,688,013.28/130,039,096.08 = 43,535,023.52/x
  3. Step 3: Cross multiply
    86,688,013.28x = 130,039,096.08 × 43,535,023.52
  4. Step 4: Simplify right side
    86,688,013.28x = 5,661,255,106,362,340
  5. Step 5: Solve for x
    x = 5,661,255,106,362,340/86,688,013.28
  6. Step 6: Final answer
    x = 65,306,088.95

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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.