Home / 124,417,063.80-186,625,595.70-69,997,505.40

Finding the Fourth Proportional to 124,417,063.80, 186,625,595.70 and 69,997,505.40

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Solution

The fourth proportional to 124,417,063.80, 186,625,595.70 and 69,997,505.40 is: 104,996,258.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,417,063.80 : 186,625,595.70 = 69,997,505.40 : x
  2. Step 2: Convert to fraction form
    124,417,063.80/186,625,595.70 = 69,997,505.40/x
  3. Step 3: Cross multiply
    124,417,063.80x = 186,625,595.70 × 69,997,505.40
  4. Step 4: Simplify right side
    124,417,063.80x = 13,063,326,142,788,968
  5. Step 5: Solve for x
    x = 13,063,326,142,788,968/124,417,063.80
  6. Step 6: Final answer
    x = 104,996,258.10

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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.