Home / 91,428,945.32-126,136,029.06-52,249,703.76

Finding the Fourth Proportional to 91,428,945.32, 126,136,029.06 and 52,249,703.76

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Solution

The fourth proportional to 91,428,945.32, 126,136,029.06 and 52,249,703.76 is: 72,084,066.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,428,945.32 : 126,136,029.06 = 52,249,703.76 : x
  2. Step 2: Convert to fraction form
    91,428,945.32/126,136,029.06 = 52,249,703.76/x
  3. Step 3: Cross multiply
    91,428,945.32x = 126,136,029.06 × 52,249,703.76
  4. Step 4: Simplify right side
    91,428,945.32x = 6,590,570,151,847,751
  5. Step 5: Solve for x
    x = 6,590,570,151,847,751/91,428,945.32
  6. Step 6: Final answer
    x = 72,084,066.25

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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.