Home / 112,355,003.80-168,658,476.90-86,908,821.40

Finding the Fourth Proportional to 112,355,003.80, 168,658,476.90 and 86,908,821.40

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Solution

The fourth proportional to 112,355,003.80, 168,658,476.90 and 86,908,821.40 is: 130,460,673.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,355,003.80 : 168,658,476.90 = 86,908,821.40 : x
  2. Step 2: Convert to fraction form
    112,355,003.80/168,658,476.90 = 86,908,821.40/x
  3. Step 3: Cross multiply
    112,355,003.80x = 168,658,476.90 × 86,908,821.40
  4. Step 4: Simplify right side
    112,355,003.80x = 14,657,909,446,498,128
  5. Step 5: Solve for x
    x = 14,657,909,446,498,128/112,355,003.80
  6. Step 6: Final answer
    x = 130,460,673.32

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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.