Home / 319,335,088.80-478,813,676.40-166,280,080.80

Finding the Fourth Proportional to 319,335,088.80, 478,813,676.40 and 166,280,080.80

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Solution

The fourth proportional to 319,335,088.80, 478,813,676.40 and 166,280,080.80 is: 249,321,730.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,335,088.80 : 478,813,676.40 = 166,280,080.80 : x
  2. Step 2: Convert to fraction form
    319,335,088.80/478,813,676.40 = 166,280,080.80/x
  3. Step 3: Cross multiply
    319,335,088.80x = 478,813,676.40 × 166,280,080.80
  4. Step 4: Simplify right side
    319,335,088.80x = 79,617,176,799,937,056
  5. Step 5: Solve for x
    x = 79,617,176,799,937,056/319,335,088.80
  6. Step 6: Final answer
    x = 249,321,730.03

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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.