Home / 72,258,411.90-108,386,678.64-17,671,470.60

Finding the Fourth Proportional to 72,258,411.90, 108,386,678.64 and 17,671,470.60

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Solution

The fourth proportional to 72,258,411.90, 108,386,678.64 and 17,671,470.60 is: 26,506,976.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,258,411.90 : 108,386,678.64 = 17,671,470.60 : x
  2. Step 2: Convert to fraction form
    72,258,411.90/108,386,678.64 = 17,671,470.60/x
  3. Step 3: Cross multiply
    72,258,411.90x = 108,386,678.64 × 17,671,470.60
  4. Step 4: Simplify right side
    72,258,411.90x = 1,915,352,005,018,408.25
  5. Step 5: Solve for x
    x = 1,915,352,005,018,408.25/72,258,411.90
  6. Step 6: Final answer
    x = 26,506,976.21

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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.