Home / 207,536,828.23-286,402,728.63-118,227,448.77

Finding the Fourth Proportional to 207,536,828.23, 286,402,728.63 and 118,227,448.77

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Solution

The fourth proportional to 207,536,828.23, 286,402,728.63 and 118,227,448.77 is: 163,154,964.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,536,828.23 : 286,402,728.63 = 118,227,448.77 : x
  2. Step 2: Convert to fraction form
    207,536,828.23/286,402,728.63 = 118,227,448.77/x
  3. Step 3: Cross multiply
    207,536,828.23x = 286,402,728.63 × 118,227,448.77
  4. Step 4: Simplify right side
    207,536,828.23x = 33,860,663,926,395,968
  5. Step 5: Solve for x
    x = 33,860,663,926,395,968/207,536,828.23
  6. Step 6: Final answer
    x = 163,154,964.91

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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.