Home / 118,703,591.24-163,820,043.59-74,688,319.01

Finding the Fourth Proportional to 118,703,591.24, 163,820,043.59 and 74,688,319.01

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Solution

The fourth proportional to 118,703,591.24, 163,820,043.59 and 74,688,319.01 is: 103,075,598.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,703,591.24 : 163,820,043.59 = 74,688,319.01 : x
  2. Step 2: Convert to fraction form
    118,703,591.24/163,820,043.59 = 74,688,319.01/x
  3. Step 3: Cross multiply
    118,703,591.24x = 163,820,043.59 × 74,688,319.01
  4. Step 4: Simplify right side
    118,703,591.24x = 12,235,443,676,023,444
  5. Step 5: Solve for x
    x = 12,235,443,676,023,444/118,703,591.24
  6. Step 6: Final answer
    x = 103,075,598.21

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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.