Home / 85,347,632.40-127,892,130.46-56,490,386.10

Finding the Fourth Proportional to 85,347,632.40, 127,892,130.46 and 56,490,386.10

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Solution

The fourth proportional to 85,347,632.40, 127,892,130.46 and 56,490,386.10 is: 84,649,985.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,347,632.40 : 127,892,130.46 = 56,490,386.10 : x
  2. Step 2: Convert to fraction form
    85,347,632.40/127,892,130.46 = 56,490,386.10/x
  3. Step 3: Cross multiply
    85,347,632.40x = 127,892,130.46 × 56,490,386.10
  4. Step 4: Simplify right side
    85,347,632.40x = 7,224,675,828,836,970
  5. Step 5: Solve for x
    x = 7,224,675,828,836,970/85,347,632.40
  6. Step 6: Final answer
    x = 84,649,985.31

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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.