Home / 118,703,442.67-163,819,838.54-74,688,170.45

Finding the Fourth Proportional to 118,703,442.67, 163,819,838.54 and 74,688,170.45

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Solution

The fourth proportional to 118,703,442.67, 163,819,838.54 and 74,688,170.45 is: 103,075,393.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,703,442.67 : 163,819,838.54 = 74,688,170.45 : x
  2. Step 2: Convert to fraction form
    118,703,442.67/163,819,838.54 = 74,688,170.45/x
  3. Step 3: Cross multiply
    118,703,442.67x = 163,819,838.54 × 74,688,170.45
  4. Step 4: Simplify right side
    118,703,442.67x = 12,235,404,023,334,618
  5. Step 5: Solve for x
    x = 12,235,404,023,334,618/118,703,442.67
  6. Step 6: Final answer
    x = 103,075,393.17

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.