Home / 181,916,934.60-272,875,401.90-72,688,094.40

Finding the Fourth Proportional to 181,916,934.60, 272,875,401.90 and 72,688,094.40

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Solution

The fourth proportional to 181,916,934.60, 272,875,401.90 and 72,688,094.40 is: 109,032,141.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,916,934.60 : 272,875,401.90 = 72,688,094.40 : x
  2. Step 2: Convert to fraction form
    181,916,934.60/272,875,401.90 = 72,688,094.40/x
  3. Step 3: Cross multiply
    181,916,934.60x = 272,875,401.90 × 72,688,094.40
  4. Step 4: Simplify right side
    181,916,934.60x = 19,834,792,972,745,140
  5. Step 5: Solve for x
    x = 19,834,792,972,745,140/181,916,934.60
  6. Step 6: Final answer
    x = 109,032,141.60

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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.