Home / 130,407,496.40-195,611,244.60-69,941,320.40

Finding the Fourth Proportional to 130,407,496.40, 195,611,244.60 and 69,941,320.40

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Solution

The fourth proportional to 130,407,496.40, 195,611,244.60 and 69,941,320.40 is: 104,911,980.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,407,496.40 : 195,611,244.60 = 69,941,320.40 : x
  2. Step 2: Convert to fraction form
    130,407,496.40/195,611,244.60 = 69,941,320.40/x
  3. Step 3: Cross multiply
    130,407,496.40x = 195,611,244.60 × 69,941,320.40
  4. Step 4: Simplify right side
    130,407,496.40x = 13,681,308,732,411,370
  5. Step 5: Solve for x
    x = 13,681,308,732,411,370/130,407,496.40
  6. Step 6: Final answer
    x = 104,911,980.60

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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.