Home / 112,657,042.40-168,985,563.60-72,346,258.40

Finding the Fourth Proportional to 112,657,042.40, 168,985,563.60 and 72,346,258.40

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Solution

The fourth proportional to 112,657,042.40, 168,985,563.60 and 72,346,258.40 is: 108,519,387.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,657,042.40 : 168,985,563.60 = 72,346,258.40 : x
  2. Step 2: Convert to fraction form
    112,657,042.40/168,985,563.60 = 72,346,258.40/x
  3. Step 3: Cross multiply
    112,657,042.40x = 168,985,563.60 × 72,346,258.40
  4. Step 4: Simplify right side
    112,657,042.40x = 12,225,473,250,075,234
  5. Step 5: Solve for x
    x = 12,225,473,250,075,234/112,657,042.40
  6. Step 6: Final answer
    x = 108,519,387.60

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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.