Home / 285,131,962.08-427,877,860.98-121,369,457.16

Finding the Fourth Proportional to 285,131,962.08, 427,877,860.98 and 121,369,457.16

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Solution

The fourth proportional to 285,131,962.08, 427,877,860.98 and 121,369,457.16 is: 182,130,769.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,131,962.08 : 427,877,860.98 = 121,369,457.16 : x
  2. Step 2: Convert to fraction form
    285,131,962.08/427,877,860.98 = 121,369,457.16/x
  3. Step 3: Cross multiply
    285,131,962.08x = 427,877,860.98 × 121,369,457.16
  4. Step 4: Simplify right side
    285,131,962.08x = 51,931,303,717,924,544
  5. Step 5: Solve for x
    x = 51,931,303,717,924,544/285,131,962.08
  6. Step 6: Final answer
    x = 182,130,769.69

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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.