Home / 163,904,420.30-245,869,072.05-48,879,985.10

Finding the Fourth Proportional to 163,904,420.30, 245,869,072.05 and 48,879,985.10

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Solution

The fourth proportional to 163,904,420.30, 245,869,072.05 and 48,879,985.10 is: 73,323,688.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,904,420.30 : 245,869,072.05 = 48,879,985.10 : x
  2. Step 2: Convert to fraction form
    163,904,420.30/245,869,072.05 = 48,879,985.10/x
  3. Step 3: Cross multiply
    163,904,420.30x = 245,869,072.05 × 48,879,985.10
  4. Step 4: Simplify right side
    163,904,420.30x = 12,018,076,578,354,828
  5. Step 5: Solve for x
    x = 12,018,076,578,354,828/163,904,420.30
  6. Step 6: Final answer
    x = 73,323,688.01

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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.