Home / 118,641,034.28-163,727,264.40-67,718,844.60

Finding the Fourth Proportional to 118,641,034.28, 163,727,264.40 and 67,718,844.60

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Solution

The fourth proportional to 118,641,034.28, 163,727,264.40 and 67,718,844.60 is: 93,453,510.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,641,034.28 : 163,727,264.40 = 67,718,844.60 : x
  2. Step 2: Convert to fraction form
    118,641,034.28/163,727,264.40 = 67,718,844.60/x
  3. Step 3: Cross multiply
    118,641,034.28x = 163,727,264.40 × 67,718,844.60
  4. Step 4: Simplify right side
    118,641,034.28x = 11,087,421,174,686,712
  5. Step 5: Solve for x
    x = 11,087,421,174,686,712/118,641,034.28
  6. Step 6: Final answer
    x = 93,453,510.77

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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.