Home / 210,070,206.40-315,429,712.80-114,518,718.40

Finding the Fourth Proportional to 210,070,206.40, 315,429,712.80 and 114,518,718.40

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Solution

The fourth proportional to 210,070,206.40, 315,429,712.80 and 114,518,718.40 is: 171,954,924.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,070,206.40 : 315,429,712.80 = 114,518,718.40 : x
  2. Step 2: Convert to fraction form
    210,070,206.40/315,429,712.80 = 114,518,718.40/x
  3. Step 3: Cross multiply
    210,070,206.40x = 315,429,712.80 × 114,518,718.40
  4. Step 4: Simplify right side
    210,070,206.40x = 36,122,606,455,136,080
  5. Step 5: Solve for x
    x = 36,122,606,455,136,080/210,070,206.40
  6. Step 6: Final answer
    x = 171,954,924.38

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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.