Home / 91,428,944.32-126,136,027.68-52,249,702.76

Finding the Fourth Proportional to 91,428,944.32, 126,136,027.68 and 52,249,702.76

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Solution

The fourth proportional to 91,428,944.32, 126,136,027.68 and 52,249,702.76 is: 72,084,064.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,428,944.32 : 126,136,027.68 = 52,249,702.76 : x
  2. Step 2: Convert to fraction form
    91,428,944.32/126,136,027.68 = 52,249,702.76/x
  3. Step 3: Cross multiply
    91,428,944.32x = 126,136,027.68 × 52,249,702.76
  4. Step 4: Simplify right side
    91,428,944.32x = 6,590,569,953,607,133
  5. Step 5: Solve for x
    x = 6,590,569,953,607,133/91,428,944.32
  6. Step 6: Final answer
    x = 72,084,064.87

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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.