Home / 99,208,148.36-148,818,014.42-30,123,205.70

Finding the Fourth Proportional to 99,208,148.36, 148,818,014.42 and 30,123,205.70

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Solution

The fourth proportional to 99,208,148.36, 148,818,014.42 and 30,123,205.70 is: 45,186,567.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,208,148.36 : 148,818,014.42 = 30,123,205.70 : x
  2. Step 2: Convert to fraction form
    99,208,148.36/148,818,014.42 = 30,123,205.70/x
  3. Step 3: Cross multiply
    99,208,148.36x = 148,818,014.42 × 30,123,205.70
  4. Step 4: Simplify right side
    99,208,148.36x = 4,482,875,660,686,580
  5. Step 5: Solve for x
    x = 4,482,875,660,686,580/99,208,148.36
  6. Step 6: Final answer
    x = 45,186,567.18

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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.