Home / 120,629,068.40-180,943,602.60-88,506,412.40

Finding the Fourth Proportional to 120,629,068.40, 180,943,602.60 and 88,506,412.40

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Solution

The fourth proportional to 120,629,068.40, 180,943,602.60 and 88,506,412.40 is: 132,759,618.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,629,068.40 : 180,943,602.60 = 88,506,412.40 : x
  2. Step 2: Convert to fraction form
    120,629,068.40/180,943,602.60 = 88,506,412.40/x
  3. Step 3: Cross multiply
    120,629,068.40x = 180,943,602.60 × 88,506,412.40
  4. Step 4: Simplify right side
    120,629,068.40x = 16,014,669,112,857,312
  5. Step 5: Solve for x
    x = 16,014,669,112,857,312/120,629,068.40
  6. Step 6: Final answer
    x = 132,759,618.60

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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.