Home / 191,308,118.81-287,007,712.93-61,915,729.10

Finding the Fourth Proportional to 191,308,118.81, 287,007,712.93 and 61,915,729.10

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Solution

The fourth proportional to 191,308,118.81, 287,007,712.93 and 61,915,729.10 is: 92,888,330.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,308,118.81 : 287,007,712.93 = 61,915,729.10 : x
  2. Step 2: Convert to fraction form
    191,308,118.81/287,007,712.93 = 61,915,729.10/x
  3. Step 3: Cross multiply
    191,308,118.81x = 287,007,712.93 × 61,915,729.10
  4. Step 4: Simplify right side
    191,308,118.81x = 17,770,291,803,074,870
  5. Step 5: Solve for x
    x = 17,770,291,803,074,870/191,308,118.81
  6. Step 6: Final answer
    x = 92,888,330.69

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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.