Home / 75,816,010.80-113,724,016.20-75,249,140.40

Finding the Fourth Proportional to 75,816,010.80, 113,724,016.20 and 75,249,140.40

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Solution

The fourth proportional to 75,816,010.80, 113,724,016.20 and 75,249,140.40 is: 112,873,710.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,816,010.80 : 113,724,016.20 = 75,249,140.40 : x
  2. Step 2: Convert to fraction form
    75,816,010.80/113,724,016.20 = 75,249,140.40/x
  3. Step 3: Cross multiply
    75,816,010.80x = 113,724,016.20 × 75,249,140.40
  4. Step 4: Simplify right side
    75,816,010.80x = 8,557,634,461,885,675
  5. Step 5: Solve for x
    x = 8,557,634,461,885,675/75,816,010.80
  6. Step 6: Final answer
    x = 112,873,710.60

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1.5x scale

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.