Home / 319,020,113.23-478,533,980.09-88,975,201.39

Finding the Fourth Proportional to 319,020,113.23, 478,533,980.09 and 88,975,201.39

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Solution

The fourth proportional to 319,020,113.23, 478,533,980.09 and 88,975,201.39 is: 133,463,864.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,020,113.23 : 478,533,980.09 = 88,975,201.39 : x
  2. Step 2: Convert to fraction form
    319,020,113.23/478,533,980.09 = 88,975,201.39/x
  3. Step 3: Cross multiply
    319,020,113.23x = 478,533,980.09 × 88,975,201.39
  4. Step 4: Simplify right side
    319,020,113.23x = 42,577,657,248,073,328
  5. Step 5: Solve for x
    x = 42,577,657,248,073,328/319,020,113.23
  6. Step 6: Final answer
    x = 133,463,864.76

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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.