Home / 105,798,756.40-145,989,062.89-58,749,433

Finding the Fourth Proportional to 105,798,756.40, 145,989,062.89 and 58,749,433

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Solution

The fourth proportional to 105,798,756.40, 145,989,062.89 and 58,749,433 is: 81,066,876.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,798,756.40 : 145,989,062.89 = 58,749,433 : x
  2. Step 2: Convert to fraction form
    105,798,756.40/145,989,062.89 = 58,749,433/x
  3. Step 3: Cross multiply
    105,798,756.40x = 145,989,062.89 × 58,749,433
  4. Step 4: Simplify right side
    105,798,756.40x = 8,576,774,668,988,841
  5. Step 5: Solve for x
    x = 8,576,774,668,988,841/105,798,756.40
  6. Step 6: Final answer
    x = 81,066,876.03

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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.