Home / 105,007,758.15-157,464,398.03-40,290,054.15

Finding the Fourth Proportional to 105,007,758.15, 157,464,398.03 and 40,290,054.15

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Solution

The fourth proportional to 105,007,758.15, 157,464,398.03 and 40,290,054.15 is: 60,416,956.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,007,758.15 : 157,464,398.03 = 40,290,054.15 : x
  2. Step 2: Convert to fraction form
    105,007,758.15/157,464,398.03 = 40,290,054.15/x
  3. Step 3: Cross multiply
    105,007,758.15x = 157,464,398.03 × 40,290,054.15
  4. Step 4: Simplify right side
    105,007,758.15x = 6,344,249,123,124,403
  5. Step 5: Solve for x
    x = 6,344,249,123,124,403/105,007,758.15
  6. Step 6: Final answer
    x = 60,416,956.18

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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.