Home / 309,410,547.48-426,994,631.88-170,184,962.64

Finding the Fourth Proportional to 309,410,547.48, 426,994,631.88 and 170,184,962.64

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Solution

The fourth proportional to 309,410,547.48, 426,994,631.88 and 170,184,962.64 is: 234,859,690.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,410,547.48 : 426,994,631.88 = 170,184,962.64 : x
  2. Step 2: Convert to fraction form
    309,410,547.48/426,994,631.88 = 170,184,962.64/x
  3. Step 3: Cross multiply
    309,410,547.48x = 426,994,631.88 × 170,184,962.64
  4. Step 4: Simplify right side
    309,410,547.48x = 72,668,065,473,978,352
  5. Step 5: Solve for x
    x = 72,668,065,473,978,352/309,410,547.48
  6. Step 6: Final answer
    x = 234,859,690.68

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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.