Home / 180,636,521.47-249,258,407.68-100,166,490.02

Finding the Fourth Proportional to 180,636,521.47, 249,258,407.68 and 100,166,490.02

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Solution

The fourth proportional to 180,636,521.47, 249,258,407.68 and 100,166,490.02 is: 138,218,670.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,636,521.47 : 249,258,407.68 = 100,166,490.02 : x
  2. Step 2: Convert to fraction form
    180,636,521.47/249,258,407.68 = 100,166,490.02/x
  3. Step 3: Cross multiply
    180,636,521.47x = 249,258,407.68 × 100,166,490.02
  4. Step 4: Simplify right side
    180,636,521.47x = 24,967,339,805,279,812
  5. Step 5: Solve for x
    x = 24,967,339,805,279,812/180,636,521.47
  6. Step 6: Final answer
    x = 138,218,670.30

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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.