Home / 152,907,565.14-211,012,726.05-91,030,045.14

Finding the Fourth Proportional to 152,907,565.14, 211,012,726.05 and 91,030,045.14

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Solution

The fourth proportional to 152,907,565.14, 211,012,726.05 and 91,030,045.14 is: 125,621,632.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,907,565.14 : 211,012,726.05 = 91,030,045.14 : x
  2. Step 2: Convert to fraction form
    152,907,565.14/211,012,726.05 = 91,030,045.14/x
  3. Step 3: Cross multiply
    152,907,565.14x = 211,012,726.05 × 91,030,045.14
  4. Step 4: Simplify right side
    152,907,565.14x = 19,208,497,977,445,956
  5. Step 5: Solve for x
    x = 19,208,497,977,445,956/152,907,565.14
  6. Step 6: Final answer
    x = 125,621,632.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.