Home / 181,917,085.60-272,875,628.40-72,688,245.40

Finding the Fourth Proportional to 181,917,085.60, 272,875,628.40 and 72,688,245.40

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Solution

The fourth proportional to 181,917,085.60, 272,875,628.40 and 72,688,245.40 is: 109,032,368.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,917,085.60 : 272,875,628.40 = 72,688,245.40 : x
  2. Step 2: Convert to fraction form
    181,917,085.60/272,875,628.40 = 72,688,245.40/x
  3. Step 3: Cross multiply
    181,917,085.60x = 272,875,628.40 × 72,688,245.40
  4. Step 4: Simplify right side
    181,917,085.60x = 19,834,850,640,818,408
  5. Step 5: Solve for x
    x = 19,834,850,640,818,408/181,917,085.60
  6. Step 6: Final answer
    x = 109,032,368.10

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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.