Home / 161,705,643.40-242,558,465.10-59,448,521.80

Finding the Fourth Proportional to 161,705,643.40, 242,558,465.10 and 59,448,521.80

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Solution

The fourth proportional to 161,705,643.40, 242,558,465.10 and 59,448,521.80 is: 89,172,782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,705,643.40 : 242,558,465.10 = 59,448,521.80 : x
  2. Step 2: Convert to fraction form
    161,705,643.40/242,558,465.10 = 59,448,521.80/x
  3. Step 3: Cross multiply
    161,705,643.40x = 242,558,465.10 × 59,448,521.80
  4. Step 4: Simplify right side
    161,705,643.40x = 14,419,742,200,271,888
  5. Step 5: Solve for x
    x = 14,419,742,200,271,888/161,705,643.40
  6. Step 6: Final answer
    x = 89,172,782.70

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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.