Home / 85,312,040.40-127,968,060.60-37,442,984.40

Finding the Fourth Proportional to 85,312,040.40, 127,968,060.60 and 37,442,984.40

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Solution

The fourth proportional to 85,312,040.40, 127,968,060.60 and 37,442,984.40 is: 56,164,476.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,312,040.40 : 127,968,060.60 = 37,442,984.40 : x
  2. Step 2: Convert to fraction form
    85,312,040.40/127,968,060.60 = 37,442,984.40/x
  3. Step 3: Cross multiply
    85,312,040.40x = 127,968,060.60 × 37,442,984.40
  4. Step 4: Simplify right side
    85,312,040.40x = 4,791,506,096,744,054
  5. Step 5: Solve for x
    x = 4,791,506,096,744,054/85,312,040.40
  6. Step 6: Final answer
    x = 56,164,476.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.