Home / 83,232,740.40-124,849,110.60-79,884,662.10

Finding the Fourth Proportional to 83,232,740.40, 124,849,110.60 and 79,884,662.10

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Solution

The fourth proportional to 83,232,740.40, 124,849,110.60 and 79,884,662.10 is: 119,826,993.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,232,740.40 : 124,849,110.60 = 79,884,662.10 : x
  2. Step 2: Convert to fraction form
    83,232,740.40/124,849,110.60 = 79,884,662.10/x
  3. Step 3: Cross multiply
    83,232,740.40x = 124,849,110.60 × 79,884,662.10
  4. Step 4: Simplify right side
    83,232,740.40x = 9,973,529,013,766,528
  5. Step 5: Solve for x
    x = 9,973,529,013,766,528/83,232,740.40
  6. Step 6: Final answer
    x = 119,826,993.15

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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.