Home / 71,357,121.51-98,475,534.60-39,995,750.13

Finding the Fourth Proportional to 71,357,121.51, 98,475,534.60 and 39,995,750.13

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Solution

The fourth proportional to 71,357,121.51, 98,475,534.60 and 39,995,750.13 is: 55,195,652.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,357,121.51 : 98,475,534.60 = 39,995,750.13 : x
  2. Step 2: Convert to fraction form
    71,357,121.51/98,475,534.60 = 39,995,750.13/x
  3. Step 3: Cross multiply
    71,357,121.51x = 98,475,534.60 × 39,995,750.13
  4. Step 4: Simplify right side
    71,357,121.51x = 3,938,602,875,779,769.50
  5. Step 5: Solve for x
    x = 3,938,602,875,779,769.50/71,357,121.51
  6. Step 6: Final answer
    x = 55,195,652.41

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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.