Home / 103,634,500.74-142,963,955.55-61,789,054.02

Finding the Fourth Proportional to 103,634,500.74, 142,963,955.55 and 61,789,054.02

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Solution

The fourth proportional to 103,634,500.74, 142,963,955.55 and 61,789,054.02 is: 85,238,096.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,634,500.74 : 142,963,955.55 = 61,789,054.02 : x
  2. Step 2: Convert to fraction form
    103,634,500.74/142,963,955.55 = 61,789,054.02/x
  3. Step 3: Cross multiply
    103,634,500.74x = 142,963,955.55 × 61,789,054.02
  4. Step 4: Simplify right side
    103,634,500.74x = 8,833,607,572,391,830
  5. Step 5: Solve for x
    x = 8,833,607,572,391,830/103,634,500.74
  6. Step 6: Final answer
    x = 85,238,096.48

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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.