Home / 157,299,339.12-235,880,632.40-45,100,477.29

Finding the Fourth Proportional to 157,299,339.12, 235,880,632.40 and 45,100,477.29

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Solution

The fourth proportional to 157,299,339.12, 235,880,632.40 and 45,100,477.29 is: 67,631,111.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,299,339.12 : 235,880,632.40 = 45,100,477.29 : x
  2. Step 2: Convert to fraction form
    157,299,339.12/235,880,632.40 = 45,100,477.29/x
  3. Step 3: Cross multiply
    157,299,339.12x = 235,880,632.40 × 45,100,477.29
  4. Step 4: Simplify right side
    157,299,339.12x = 10,638,329,104,829,288
  5. Step 5: Solve for x
    x = 10,638,329,104,829,288/157,299,339.12
  6. Step 6: Final answer
    x = 67,631,111.26

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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.