Home / 118,703,444.18-163,819,840.62-74,688,171.95

Finding the Fourth Proportional to 118,703,444.18, 163,819,840.62 and 74,688,171.95

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Solution

The fourth proportional to 118,703,444.18, 163,819,840.62 and 74,688,171.95 is: 103,075,395.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,703,444.18 : 163,819,840.62 = 74,688,171.95 : x
  2. Step 2: Convert to fraction form
    118,703,444.18/163,819,840.62 = 74,688,171.95/x
  3. Step 3: Cross multiply
    118,703,444.18x = 163,819,840.62 × 74,688,171.95
  4. Step 4: Simplify right side
    118,703,444.18x = 12,235,404,424,229,054
  5. Step 5: Solve for x
    x = 12,235,404,424,229,054/118,703,444.18
  6. Step 6: Final answer
    x = 103,075,395.24

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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.