Home / 138,179,547.28-207,341,054.34-56,358,453.52

Finding the Fourth Proportional to 138,179,547.28, 207,341,054.34 and 56,358,453.52

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Solution

The fourth proportional to 138,179,547.28, 207,341,054.34 and 56,358,453.52 is: 84,566,937.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,179,547.28 : 207,341,054.34 = 56,358,453.52 : x
  2. Step 2: Convert to fraction form
    138,179,547.28/207,341,054.34 = 56,358,453.52/x
  3. Step 3: Cross multiply
    138,179,547.28x = 207,341,054.34 × 56,358,453.52
  4. Step 4: Simplify right side
    138,179,547.28x = 11,685,421,173,808,686
  5. Step 5: Solve for x
    x = 11,685,421,173,808,686/138,179,547.28
  6. Step 6: Final answer
    x = 84,566,937.75

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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.