Home / 105,798,666.11-145,988,938.59-58,749,342.59

Finding the Fourth Proportional to 105,798,666.11, 145,988,938.59 and 58,749,342.59

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Solution

The fourth proportional to 105,798,666.11, 145,988,938.59 and 58,749,342.59 is: 81,066,751.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,798,666.11 : 145,988,938.59 = 58,749,342.59 : x
  2. Step 2: Convert to fraction form
    105,798,666.11/145,988,938.59 = 58,749,342.59/x
  3. Step 3: Cross multiply
    105,798,666.11x = 145,988,938.59 × 58,749,342.59
  4. Step 4: Simplify right side
    105,798,666.11x = 8,576,754,167,574,382
  5. Step 5: Solve for x
    x = 8,576,754,167,574,382/105,798,666.11
  6. Step 6: Final answer
    x = 81,066,751.43

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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.