Home / 191,137,807.36-286,802,403.52-87,506,813.44

Finding the Fourth Proportional to 191,137,807.36, 286,802,403.52 and 87,506,813.44

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Solution

The fourth proportional to 191,137,807.36, 286,802,403.52 and 87,506,813.44 is: 131,304,030.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,137,807.36 : 286,802,403.52 = 87,506,813.44 : x
  2. Step 2: Convert to fraction form
    191,137,807.36/286,802,403.52 = 87,506,813.44/x
  3. Step 3: Cross multiply
    191,137,807.36x = 286,802,403.52 × 87,506,813.44
  4. Step 4: Simplify right side
    191,137,807.36x = 25,097,164,418,968,236
  5. Step 5: Solve for x
    x = 25,097,164,418,968,236/191,137,807.36
  6. Step 6: Final answer
    x = 131,304,030.14

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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.