Home / 107,803,869.60-161,712,802.80-56,785,533.60

Finding the Fourth Proportional to 107,803,869.60, 161,712,802.80 and 56,785,533.60

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Solution

The fourth proportional to 107,803,869.60, 161,712,802.80 and 56,785,533.60 is: 85,181,986.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,803,869.60 : 161,712,802.80 = 56,785,533.60 : x
  2. Step 2: Convert to fraction form
    107,803,869.60/161,712,802.80 = 56,785,533.60/x
  3. Step 3: Cross multiply
    107,803,869.60x = 161,712,802.80 × 56,785,533.60
  4. Step 4: Simplify right side
    107,803,869.60x = 9,182,947,796,949,574
  5. Step 5: Solve for x
    x = 9,182,947,796,949,574/107,803,869.60
  6. Step 6: Final answer
    x = 85,181,986.80

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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.