Home / 181,917,207.60-272,875,811.40-72,688,367.40

Finding the Fourth Proportional to 181,917,207.60, 272,875,811.40 and 72,688,367.40

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Solution

The fourth proportional to 181,917,207.60, 272,875,811.40 and 72,688,367.40 is: 109,032,551.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,917,207.60 : 272,875,811.40 = 72,688,367.40 : x
  2. Step 2: Convert to fraction form
    181,917,207.60/272,875,811.40 = 72,688,367.40/x
  3. Step 3: Cross multiply
    181,917,207.60x = 272,875,811.40 × 72,688,367.40
  4. Step 4: Simplify right side
    181,917,207.60x = 19,834,897,233,616,308
  5. Step 5: Solve for x
    x = 19,834,897,233,616,308/181,917,207.60
  6. Step 6: Final answer
    x = 109,032,551.10

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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.