Home / 131,073,547.68-180,881,122.32-72,335,787.12

Finding the Fourth Proportional to 131,073,547.68, 180,881,122.32 and 72,335,787.12

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Solution

The fourth proportional to 131,073,547.68, 180,881,122.32 and 72,335,787.12 is: 99,823,180.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,073,547.68 : 180,881,122.32 = 72,335,787.12 : x
  2. Step 2: Convert to fraction form
    131,073,547.68/180,881,122.32 = 72,335,787.12/x
  3. Step 3: Cross multiply
    131,073,547.68x = 180,881,122.32 × 72,335,787.12
  4. Step 4: Simplify right side
    131,073,547.68x = 13,084,178,358,166,200
  5. Step 5: Solve for x
    x = 13,084,178,358,166,200/131,073,547.68
  6. Step 6: Final answer
    x = 99,823,180.11

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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.