Home / 319,698,349.20-479,547,523.80-89,706,430.80

Finding the Fourth Proportional to 319,698,349.20, 479,547,523.80 and 89,706,430.80

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Solution

The fourth proportional to 319,698,349.20, 479,547,523.80 and 89,706,430.80 is: 134,559,646.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,698,349.20 : 479,547,523.80 = 89,706,430.80 : x
  2. Step 2: Convert to fraction form
    319,698,349.20/479,547,523.80 = 89,706,430.80/x
  3. Step 3: Cross multiply
    319,698,349.20x = 479,547,523.80 × 89,706,430.80
  4. Step 4: Simplify right side
    319,698,349.20x = 43,018,496,759,076,056
  5. Step 5: Solve for x
    x = 43,018,496,759,076,056/319,698,349.20
  6. Step 6: Final answer
    x = 134,559,646.20

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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.