Home / 155,215,878,653.70-232,823,817,980.55-84,688,130,967.30

Finding the Fourth Proportional to 155,215,878,653.70, 232,823,817,980.55 and 84,688,130,967.30

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Solution

The fourth proportional to 155,215,878,653.70, 232,823,817,980.55 and 84,688,130,967.30 is: 127,032,196,450.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,215,878,653.70 : 232,823,817,980.55 = 84,688,130,967.30 : x
  2. Step 2: Convert to fraction form
    155,215,878,653.70/232,823,817,980.55 = 84,688,130,967.30/x
  3. Step 3: Cross multiply
    155,215,878,653.70x = 232,823,817,980.55 × 84,688,130,967.30
  4. Step 4: Simplify right side
    155,215,878,653.70x = 19,717,413,989,443,633,676,288
  5. Step 5: Solve for x
    x = 19,717,413,989,443,633,676,288/155,215,878,653.70
  6. Step 6: Final answer
    x = 127,032,196,450.95

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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.