Home / 124,671,339.92-172,038,250.61-71,739,504.26

Finding the Fourth Proportional to 124,671,339.92, 172,038,250.61 and 71,739,504.26

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Solution

The fourth proportional to 124,671,339.92, 172,038,250.61 and 71,739,504.26 is: 98,995,798.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,671,339.92 : 172,038,250.61 = 71,739,504.26 : x
  2. Step 2: Convert to fraction form
    124,671,339.92/172,038,250.61 = 71,739,504.26/x
  3. Step 3: Cross multiply
    124,671,339.92x = 172,038,250.61 × 71,739,504.26
  4. Step 4: Simplify right side
    124,671,339.92x = 12,341,938,811,300,152
  5. Step 5: Solve for x
    x = 12,341,938,811,300,152/124,671,339.92
  6. Step 6: Final answer
    x = 98,995,798.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.