Home / 121,322,565.40-181,983,848.10-53,298,117.40

Finding the Fourth Proportional to 121,322,565.40, 181,983,848.10 and 53,298,117.40

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Solution

The fourth proportional to 121,322,565.40, 181,983,848.10 and 53,298,117.40 is: 79,947,176.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,322,565.40 : 181,983,848.10 = 53,298,117.40 : x
  2. Step 2: Convert to fraction form
    121,322,565.40/181,983,848.10 = 53,298,117.40/x
  3. Step 3: Cross multiply
    121,322,565.40x = 181,983,848.10 × 53,298,117.40
  4. Step 4: Simplify right side
    121,322,565.40x = 9,699,396,500,937,566
  5. Step 5: Solve for x
    x = 9,699,396,500,937,566/121,322,565.40
  6. Step 6: Final answer
    x = 79,947,176.10

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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.